共 17 条
[1]
[Anonymous], 1980, Bull World Health Organ, V58, P183
[4]
BUTZLER JP, 1979, CLIN GASTROENTEROL, V8, P737
[5]
*CTR DIS CONT, 1977, 1976 FOODB WAT DIS A
[6]
*CTR DIS CONTR, 1979, 1977 FOODB WAT DIS A
[7]
*CTR DIS CONTR, 1981, 1979 FOODB DIS AUTBR
[8]
*CTR DIS CONTR, 1980, 1978 WAT REL DIS AUT
[9]
*CTR DIS CONTR, 1981, 1979 WAT REL DIS AUT