human 1,409 Humans 1,091 female 693 male 688 adult 570 Article 567 controlled study 496 Female 443 article 441 Male 429 TA Engineering (General). Civil engineering (General) 371 TP Chemical technology 357 TK Electrical engineering. Electronics Nuclear engineering 303 QA75 Electronic computers. Computer science 302 Technology: general issues 289 Adult 274 TJ Mechanical engineering and machinery 254 procedures 244 Research & information: general 228 major clinical study 224 middle aged 220 History of engineering and technology 213 genetics 213 Malaysia 208 nonhuman 192 Middle Aged 188 aged 182 young adult 178 human experiment 165 physiology 165