共 12 条
- [1] BAETENS D, 1976, EXPERIENTIA, V32, P785
- [5] Greene EC, 1935, T AM PHILOS SOC, V27, P370
- [6] HAMILTON VJ, 1962, HUMAN EMBRYOLOGY, P208
- [8] LARSSON LI, 1975, CELL TISSUE RES, V156, P167
- [9] LIN TM, 1974, ENDOCRINOLOGY GUT, P143
- [10] LUFT R, 1974, MED BIOL, V52, P428