共 13 条
[2]
BAKKETEIG LS, 1977, EPIDEMIOLOGY PREMATU, P231
[3]
PERCENTILES OF BIRTH WEIGHTS OF SINGLE, LIVE BIRTHS AT DIFFERENT GESTATION PERIODS - BASED ON 125 485 BIRTHS IN NORWAY, 1967 AND 1968
[J].
ACTA PAEDIATRICA SCANDINAVICA,
1973, 62 (05)
:449-457
[4]
Bjerkedal T, 1980, Tidsskr Nor Laegeforen, V100, P1088
[5]
BJERKEDAL T, 1975, MED REGISTRATION BIR
[6]
DAIKOKU NH, 1979, OBSTET GYNECOL, V54, P211
[7]
DUBOWITZ V, 1974, CIBA F S, V27, P47
[8]
HOFFMAN HJ, UNPUB FETAL PERINATA
[9]
HOFFMAN HJ, 1978, TWIN RES B, P143
[10]
LUNDE A, 1980, PHS801358 US DEP HLT