[On the problem of the features of the cardiovascular system in premature infants during the 1st months of life].
D002320:Cardiovascular Physiological Phenomena; D002319:Cardiovascular System / Q000502:physiology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature / Q000502:physiology*; D019369:Life
CARDIOVASCULAR SYSTEM/physiology; INFANT, PREMATURE/physiology