共 7 条
[1]
Barr D., 1956, JAMA-J AM MED ASSOC, V159, P1452
[2]
Bishop Y, 1975, DISCRETE MULTIVARIAT
[3]
Kane R L, 1980, J Community Health, V5, P149, DOI 10.1007/BF01323987
[7]
SEIDL LG, 1966, B JOHNS HOPKINS HOSP, V119, P299