共 25 条
- [2] PURIFICATION AND CHARACTERIZATION OF PREGNANCY ASSOCIATED PLASMA PROTEIN-A (PAPP-A) [J]. ARCHIVES OF GYNECOLOGY, 1979, 227 (04): : 315 - 326
- [3] BOHN H, 1980, LANCET, V2, P796
- [4] DOUGLAS GW, 1962, AM J OBSTET GYNECOL, V84, P884
- [5] ELSTON CW, 1972, J OBSTET GYN BR COMM, V79, P717
- [6] GRUDZINSKAS JG, 1977, LANCET, V1, P333
- [8] HERTIG AT, 1947, AM J OBSTET GYNECOL, V53, P1