共 40 条
[31]
RIJNBERK A, 1978, TIJDSCHR DIERGENEESK, V103, P1069
[32]
ROBBINS SL, 1979, PATHOLOGIC BASIS DIS, P964
[33]
RUBIN S, 1985, COMP CONT EDUC PRACT, V7, P348
[34]
SOGA J, 1971, CANCER-AM CANCER SOC, V28, P990, DOI 10.1002/1097-0142(1971)28:4<990::AID-CNCR2820280424>3.0.CO
[35]
2-K
[36]
SOGA J, 1976, ENDOCRINE GUT PANCRE, V2, P387
[38]
WEISS E, 1974, B WORLD HEALTH ORGAN, V50, P79
[39]
WELLER RE, 1984, COMP CONT EDUC PRACT, V6, P639
[40]
WILLARD MD, 1988, J AM VET MED ASSOC, V192, P926