human 307 Humans 250 male 158 female 151 Article 133 adult 132 controlled study 118 Architectural structure and design 103 Engineering graphics and draughting / technical drawing 102 The Arts: techniques and principles 102 Female 97 Male 95 article 86 Architectural structure & design 82 Art techniques & principles 80 Engineering graphics & technical drawing 78 TJ Mechanical engineering and machinery 76 metabolism 76 TA Engineering (General). Civil engineering (General) 74 Adult 65 TP Chemical technology 64 genetics 63 major clinical study 63 nonhuman 63 Law 62 History 61 TK Electrical engineering. Electronics Nuclear engineering 57 middle aged 56 European history 55 Animals 54