[Study of morbidity of in collective farms with temporary loss of work capacity; according to materials from the Keiv district].
D006801:Humans; D009017:Morbidity; D014798:Vital Statistics; D014937:Work
VITAL STATISTICS
Opyt izucheniia zabolevaemosti kolkhoznikov s vremennoi utratoi trudosposobnosti; po materialam Kievskoi oblasti.