[Urban/rural differences in mortality, 1950-1970].
D000368:Aged; D002318:Cardiovascular Diseases / Q000401:mortality; D003141:Communicable Diseases / Q000401:mortality; D003710:Demography; D003906:Developing Countries; D004522:Educational Status; D005060:Europe; D005260:Female; D005767:Gastrointestinal Diseases / Q000401:mortality; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D007564:Japan; D008297:Male; D008875:Middle Aged; D009026:Mortality; D009369:Neoplasms / Q000401:mortality; D009790:Occupations; D010272:Parasitic Diseases / Q000401:mortality; D011156:Population Density; D012140:Respiratory Tract Diseases / Q000401:mortality; D012423:Rural Health; D014505:Urban Population