共 133 条
- [71] KLEIN H., 1938, Public Health Reports, V53, P1685, DOI 10.2307/4582662
- [72] LAING JS, 1901, PUBLIC HLTH, V14, P584
- [73] Chick mortality and sex-ratio in the domestic fowl [J]. AMERICAN NATURALIST, 1931, 65 : 492 - 501
- [74] LEBLANC TJ, 1925, US PUBLIC HLTH VINER, V78
- [75] LEVINSON A, 1937, PRACTICE PEDIAT, V4
- [76] LEWIS D, 1929, TXB MED
- [77] LITTLE CC, 1919, P SOC EXP BIOL MED, V16, P127
- [78] MACARTHUR SW, 1932, Q REV BIOL, V7, P313
- [79] MALZBERG B, 1936, PSYCHIAT QUART, V9, P667
- [80] MARINE D, 1937, PRACTICE MED, V8