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