human 16 Article 13 male 13 Humans 12 Male 10 nonhuman 9 controlled study 8 unclassified drug 8 priority journal 7 Inductively coupled plasma 6 animal experiment 6 Adult 5 Animals 5 PLASMA 5 SEMINAL PLASMA 5 animal 5 blood 5 drug bioavailability 5 in vivo study 5 Optical emission spectroscopy 4 adult 4 area under the curve 4 chemistry 4 in vitro study 4 maximum plasma concentration 4 metabolism 4 particle size 4 Antioxidants 3 EXPRESSION 3 Malaysia 3