共 50 条
[1]
[Anonymous], 1996, BROWN ATT DEF DIS SC
[3]
One-Year Survival of Extremely Preterm Infants After Active Perinatal Care in Sweden
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
2009, 301 (21)
:2225-2233
[8]
Cochran W. G., 1977, Sampling Techniques
[9]
Perinatal and postnatal factors in very preterm infants and subsequent cognitive and motor abilities
[J].
ARCHIVES OF DISEASE IN CHILDHOOD-FETAL AND NEONATAL EDITION,
2005, 90 (01)
:F60-F63