Viability of infants born at 22 to 25 weeks' gestation.
Merritt
T A
TA
Boynton
B R
BR
Hallman
M
M
D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D007235:Infant, Premature, Diseases / Q000628:therapy*; D011663:Pulmonary Surfactants / Q000627:therapeutic use; D016896:Treatment Outcome
D011663:Pulmonary Surfactants