共 19 条
- [11] GRAY GM, 1966, GASTROENTEROLOGY, V51, P489
- [13] Hyden S., 1955, KUNGL LANTBRUKSHOGSK, V22, P139
- [14] MACDONALD I, 1968, LANCET, V1, P841
- [16] MATTHEWS DM, 1968, LANCET, V2, P49
- [17] MATTHEWS DM, 1971, J CLINICAL PATHOL S5, V24, P29
- [18] MCMICHAEL HB, 1967, CLIN SCI, V33, P135
- [19] Slein M. W., 1965, METHOD ENZYMAT AN, P117