共 11 条
- [1] BELL EJ, 1965, LANCET, V2, P464
- [2] ILLNESS AND MICROBIAL EXPERIENCES OF NURSERY CHILDREN AT JUNIOR VILLAGE [J]. AMERICAN JOURNAL OF HYGIENE, 1961, 74 (03): : 267 - &
- [3] HUMPHREY A, CDS8142, pR7
- [4] KELEN AE, 1964, CAN MED ASSOC J, V90, P1349
- [5] Melnick JL, 1979, DIAGNOSTIC PROCEDURE, V5th, P471
- [7] NAKAO T, 1965, JIKA RINSHO, V18, P772
- [9] ROSEN L, 1964, AM J HYG, V79, P1
- [10] Wenner H A, 1973, Prog Med Virol, V16, P269