[Problem of infant nutrition disorders in the rural environment].
D001903:Bottle Feeding / Q000009:adverse effects; D006801:Humans; D007223:Infant; D007225:Infant Food / Q000009:adverse effects*; D007228:Infant Nutrition Disorders / Q000209:etiology*; D011044:Poland; D012424:Rural Population; D012959:Socioeconomic Factors
Przyczynek do zagadnienia dystrepsji niemowlat w środowisku wiejskim.