TY - GEN AU - Urtis,J M AU - Clayton,D AU - Jay,S S TI - Infant morbidity: a measurement of severity and occurrence of illness in preterm and term infants SN - 0882-5963 PY - 1988///0623 KW - Adult KW - Demography KW - Female KW - Gestational Age KW - Humans KW - Infant, Low Birth Weight KW - Infant, Newborn KW - Infant, Premature KW - Maternal Age KW - Morbidity KW - Pregnancy KW - United States N1 - Publication Type: Journal Article ER -