Interrelation between health and population: observations derived from field experiences.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003906:Developing Countries; D005260:Female; D006262:Health; D006295:Health Resources / Q000600:supply & distribution; D006304:Health Status; D006801:Humans; D007223:Infant; D008017:Life Expectancy; D008297:Male; D008875:Middle Aged; D009026:Mortality; D011157:Population Dynamics