共 10 条
- [1] BUESCHER PA, 1984, N C MED J, V45, P437
- [2] DAVID RJ, 1983, PEDIATRICS, V71, P531
- [3] Kessner DM, 1973, CONTRASTS HLTH STATU, V1
- [4] KORENBROT CC, 1984, MOBIUS, V4, P34
- [8] SOKOL RJ, 1980, OBSTET GYNECOL, V56, P150
- [9] Starfield B, 1985, EFFECTIVENESS MED CA
- [10] [No title captured]