共 50 条
[43]
WILHELMSSON C, 1974, LANCET, V2, P1157
[46]
1981, N ENGL J MED, V304, P801
[47]
[No title captured]
[48]
1975, BR MED J, V3, P735
[49]
1981, JAMA, V246, P2073
[50]
1980, JAMA, V243, P661