共 51 条
[11]
STUDIES ON MATURITY IN NEWBORN-INFANTS .9. FURTHER OBSERVATIONS ON USE OF EXTERNAL CHARACTERISTICS IN ESTIMATING GESTATIONAL AGE
[J].
ACTA PAEDIATRICA SCANDINAVICA,
1977, 66 (05)
:601-604
[13]
HAMILL PVV, 1977, VITAL HLTH STATISTIC, V11
[14]
HARDY JB, 1977, EPIDEMIOLOGY PREMATU, P105
[16]
Hurley L S, 1985, Prog Clin Biol Res, V163B, P377
[19]
JAMESON S, 1976, ACTA MED SCAND S, V593, P4
[20]
KLEINBAUM DG, 1978, APPLIED REGRESSION A