[Breast feeding in the Rzeszow region 1973-1980].
D000328:Adult; D000367:Age Factors; D001942:Breast Feeding; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011044:Poland; D012424:Rural Population; D012737:Sex Factors; D013997:Time Factors; D014505:Urban Population
Karmienie piersia w regionie rzeszowskim w latach 1973-1980.