TP Chemical technology 63 TA Engineering (General). Civil engineering (General) 57 TK Electrical engineering. Electronics Nuclear engineering 50 human 48 chemistry 46 Humans 40 Article 37 metabolism 37 T Technology (General) 35 TJ Mechanical engineering and machinery 31 QA75 Electronic computers. Computer science 30 controlled study 27 nonhuman 27 male 26 Animals 23 Malaysia 23 animal 23 female 21 Female 16 drug effect 16 Male 14 Plant Extracts 13 adult 13 plant extract 13 Review 12 Scanning electron microscopy 12 animal experiment 12 chemical structure 12 unclassified drug 12 Fourier transform infrared spectroscopy 11