Table 3 Ranking of areas of interests of the published research in the field of pharmaceutical wastewater within the period of the study

1^st

Environmental Science

69(38.5)

2^nd

Medicine

38(21.2)

3^rd

Chemistry

37(20.7)

4^th

Biochemistry, Genetics and Molecular Biology

35(19.6)

5^th

Agricultural and Biological Sciences

22(12.3)

6^th

Immunology and Microbiology

21(11.7)

7^th

Chemical Engineering

20(11.2)

8^th

Materials Science

12(6.7)

9^th

Engineering

10(5.6)

9^th

Pharmacology, Toxicology and Pharmaceutics

10(5.6)

10^th

Earth and Planetary Sciences

9(5.0)