[Rickets in premature infants during the 1st months of life].
A I
AI
EGOROVA
D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D007235:Infant, Premature, Diseases; D012279:Rickets / Q000517:prevention & control*
INFANT, PREMATURE/diseases; RICKETS/prevention and control