human 238 Article 172 Humans 162 controlled study 131 nonhuman 123 female 105 male 101 antibiotic resistance 95 adult 92 genetics 83 Female 63 Male 52 metabolism 51 unclassified drug 47 Animals 45 insulin resistance 45 drug effect 44 animal 43 drug resistance 43 middle aged 42 Resistance 38 Adult 36 antiinfective agent 35 major clinical study 35 physiology 35 procedures 35 Escherichia coli 34 methicillin resistant Staphylococcus aureus 34 Middle Aged 33 clinical article 32