title: Contributions of the biological sciences to human welfare. I. Introduction.
mesh_terms: D000383:Agriculture; D001695:Biology; D003813:Dentistry; D004463:Ecology; D004782:Environmental Health; D013502:General Surgery; D049673:History, 20th Century; D008829:Microbiology; D008967:Molecular Biology; D010827:Physiology; D012106:Research; D014481:United States