[A method of studying morbidity among the population].
Rogachev
G I
GI
D003813:Dentistry / Q000706:statistics & numerical data*; D004812:Epidemiologic Methods; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D009059:Mouth Diseases / Q000175:diagnosis / Q000453:epidemiology* / Q000517:prevention & control; D012424:Rural Population; D014076:Tooth Diseases / Q000175:diagnosis / Q000453:epidemiology* / Q000517:prevention & control; D014586:USSR; D014505:Urban Population
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