共 26 条
- [21] SABATA V, 1968, BIOL NEONATORUM, V13, P7, DOI 10.1159/000240128
- [22] SABATA V, 1970, BIOL NEONATE, V15, P123
- [23] SIEGEL S, 1956, NONPARAMETRIC STATIS, P203
- [24] TSANG RC, 1974, PEDIATRICS, V53, P458
- [25] TSANG RC, 1974, AM J DIS CHILD, V127, P76
- [26] ZEE P, 1968, PEDIATRICS, V41, P640