Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :1
Medical Biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,773
1,176
0.663
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
Medicine & Public Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,242
974
0.784
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
Physical and Computational Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
810
743
0.917
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :4
Community Medicine (Occupational Health)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
969
720
0.743
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :5
adsorption
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
736
697
0.947
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :6
Nursing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
738
691
0.936
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :7
Broadcasting
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
655
627
0.957
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :8
Public Health
Communicable and Non-Communicable disease epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
711
604
0.850
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :9
work behaviour and social issues
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
811
560
0.691
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :10
bacterial genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
560
555
0.991
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :11
production Economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
787
522
0.663
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :12
Chemical pathology / Haematology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
732
471
0.643
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :13
Antioxidants
Membrane potential
Enzymes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
788
469
0.595
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :14
Animal Products and Processing
Animal Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,117
447
0.400
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :15
Biochemical/Environmental Toxicology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
567
433
0.764
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :16
Mental Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
543
432
0.796
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :17
MEASUREMENT AND EVALUATION
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
896
418
0.467
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :18
Environmental and Industrial Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
614
386
0.629
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :19
Control and elimination of Malaria
PcNTDs
Co-infections of parasitic and viral diseases
Phytoproducts in Parasitic diseases control
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
807
383
0.475
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :20
Epidemiology and Disease Control
Biostatstics
Optometry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
389
381
0.979
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :21
Gender Studies
Malaria and Tropical diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
958
380
0.397
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :22
Public Mental Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
417
362
0.868
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :23
Medical Biochemistry and Toxicology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
476
346
0.727
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :24
Neurobiochemistry
Xenobiochem & Phytopharmacology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
698
344
0.493
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :25
Banking & Finance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
446
326
0.731
Paul C. Chikezie
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,773
1,176
0.663
Medical Biochemistry
Chukwuma B. Duru
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,242
974
0.784
Medicine & Public Health
Chidi Edbert Duru
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
810
743
0.917
Physical and Computational Chemistry
Chiekulie Kevin Diwe
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
969
720
0.743
BO Isiuku
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
736
697
0.947
Julia E. Ibebuike
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
738
691
0.936
Adeline Nkwam Uwaoma
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
655
627
0.957
Chinedu Anthony Iwu
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
711
604
0.850
Public Health
Communicable and Non-Communicable disease epidemiology
Ngozi Sydney-Agbor
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
811
560
0.691
Henry Chidozie Amah
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
560
555
0.991
Gilbert Onubuogu
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
787
522
0.663
Edward Ukamaka
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
732
471
0.643
Johnkennedy Nnodim
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
788
469
0.595
Ndukwe James Okeudo
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,117
447
0.400
Animal Products and Processing
Animal Nutrition
Promise Nwankpa
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
567
433
0.764
Chinyere Aguocha
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
543
432
0.796
Philomena Ugo
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
896
418
0.467
Michael Nwachukwu
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
614
386
0.629
Environmental and Industrial Microbiology
Chinyere Ukaga
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
807
383
0.475
Control and elimination of Malaria
PcNTDs
Co-infections of parasitic and viral diseases
Phytoproducts in Parasitic diseases control
Eberendu Izuchukwu Francis
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
389
381
0.979
Epidemiology and Disease Control
Biostatstics
Optometry
Preet İnder Kaur Onyeka
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
958
380
0.397
Emeka Nwefoh
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
417
362
0.868
Prince Chimezie Odika
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
476
346
0.727
Medical Biochemistry and Toxicology
Gabriel Oze
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
698
344
0.493
Michael Ndugbu
Imo State University Owerri
Owerri, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
446
326
0.731