human 1,076 Humans 851 Article 561 female 479 male 477 controlled study 442 adult 402 article 333 Technology: general issues 298 genetics 292 Female 278 Male 276 nonhuman 229 Research & information: general 225 Animals 214 metabolism 209 animal 205 Biology, life sciences 201 History of engineering and technology 192 procedures 191 Adult 189 physiology 157 Medicine and Nursing 155 major clinical study 144 COVID-19 140 human experiment 139 middle aged 138 clinical article 136 Deep learning 133 algorithm 131