human 417 Humans 340 male 174 female 173 Article 155 adult 148 controlled study 140 article 136 Male 114 Female 111 procedures 105 methodology 89 Research Design 86 DESIGN 75 Design 75 Adult 72 devices 60 Structural design 59 middle aged 58 Architectural design 57 human experiment 55 major clinical study 55 diagnostic imaging 54 prosthesis design 54 Machine design 53 computer aided design 53 Middle Aged 51 young adult 49 aged 48 Product design 46