Development and use of appropriate technology for health.
D002648:Child; D002675:Child, Preschool; D003906:Developing Countries; D006262:Health; D005102:Health Expenditures; D006293:Health Promotion; D006295:Health Resources; D006801:Humans; D007223:Infant; D013677:Medical Laboratory Science; D011320:Primary Health Care; D013557:Switzerland; D014481:United States; D014944:World Health Organization