[The prevention of morbidity in children studying from the age of 6].
Baliasnikova
T V
TV
D002648:Child; D006801:Humans; D011314:Preventive Health Services / Q000379:methods*; D012426:Russia; D012573:School Nursing / Q000379:methods*
Profilaktika zabolevaemosti deteĭ, obuchaiushchikhsia s shesti let.