The time of passage of the first stool and urine by the premature infant.
D003672:Defecation; D005243:Feces; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature / Q000502:physiology*; D014554:Urination / Q000502:physiology*
DEFECATION; INFANT, PREMATURE/physiology; URINATION/physiology