共 421 条
- [21] Becker B. J. P., 1946, S AFRICAN JOUR MED SCI, V11, P18
- [22] BECKER B J P, 1946, S Afr J Med Sci, V11, P107
- [23] BECKER B J P, 1946, S Afr J Med Sci, V11, P97
- [25] BEDFORD DE, 1946, BRIT HEART J, V8, P87, DOI 10.1136/hrt.8.2.87
- [28] BLACHE JO, 1950, ARCH PATHOL, V50, P189
- [29] A comparative study of susceptibility to diphtheria in the white and negro races [J]. AMERICAN JOURNAL OF HYGIENE, 1934, 19 (03): : 734 - 748
- [30] BLACKFORD L. M., 1938, American Journal of Syphilis, V22, P146