[Effect of surfactant replacement therapy on neonatal mortality rates in Japan].
Shirasaya
K
K
Shimada
N
N
Miyakawa
M
M
Kondo
T
T
D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007564:Japan / Q000453:epidemiology; D011663:Pulmonary Surfactants / Q000627:therapeutic use*; D012127:Respiratory Distress Syndrome, Newborn / Q000188:drug therapy / Q000401:mortality
D011663:Pulmonary Surfactants