共 23 条
- [1] BROWN JE, 1967, JAMA-J AM MED ASSOC, V202, P138
- [2] *CAN HLTH WELF, 1980, NUTR CAN ANTHR REP
- [3] *CAN STAT, 1984, 99937 CAT
- [4] COHEN MM, 1982, CHRONIC DIS CAN, V3, P36
- [6] FREEDMAN GD, 1966, J CHRON DIS, V19, P272
- [7] GANEY JB, 1986, AM J SURG, V151, P353
- [8] KNOWLER WC, 1984, EPIDEMIOLOGY PREVENT, P15
- [9] KRAVETZ RE, 1964, GASTROENTEROLOGY, V46, P392