共 8 条
- [1] BRAIN WR, 1951, BRIT ENCYL MED PRACT, V5, P250
- [3] LESSER AJ, 1954, AMER J PUBL HLTH, V44, P166
- [4] LOGAN WPD, 1958, MORBIDITY STATISTICS
- [5] MILLER FJW, 1960, GROWING UP NEWCASTLE
- [7] TIZARD JPM, 1955, PAEDIATRICS PRACTITI, V3, P118
- [8] 1957, WHO TECHN REP SER, V130