共 20 条
- [4] HENKIN RI, 1967, LANCET, V2, P1268
- [7] LYNCH R E, 1973, Proceedings of the Society for Experimental Biology and Medicine, V142, P128
- [8] MCCALL JT, 1970, TRACE SUBSTANCES ENV, P91
- [9] MCCALL JT, 1969, TRACE ELEMENTS ENVIR, P127
- [10] OWEN C A JR, 1968, Birth Defects Original Article Series, V4, P1