antiinfective agent nonhuman 66 Anti-Bacterial Agents 64 article 58 Animals 52 metabolism 44 chemistry 36 controlled study 36 unclassified drug 36 animal 34 drug effect 34 Microbial Sensitivity Tests 32 drug effects 32 Humans 30 human 30 priority journal 30 Article 26 genetics 26 microbiology 26 Anti-Infective Agents 24 growth, development and aging 24 Escherichia coli 22 antimicrobial activity 20 Bacteria 16 drug synthesis 16 physiology 16 Argentina 14 antibiotic resistance 14 drug structure 14 drug targeting 14