[Apropos of Professor M. A. Petrov-Maslakov's article "Principles of labor management and the health of children"].
D005260:Female; D006801:Humans; D007224:Infant Care; D007231:Infant, Newborn; D008429:Maternal Welfare
Po povodu stat'i prof. M. A. Petrova-Maslakova "Taktika vedeniia podov i zdorov'e deteĭ".