[The relationship between health conditions of infants during the 1st year of life and the duration of maternal care].
D006801:Humans; D007223:Infant; D007224:Infant Care; D007231:Infant, Newborn; D009017:Morbidity; D014586:USSR
Zavisimost' sostoianiia zdorov'ia deteĭ pervogo goda zhizni ot prodolzhitel'nosti materinskogo ukhoda.