The primary health services in a developing country.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003141:Communicable Diseases / Q000453:epidemiology; D003906:Developing Countries; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007630:Kenya; D008297:Male; D008875:Middle Aged; D010548:Personal Health Services; D012424:Rural Population; D012737:Sex Factors