共 7 条
[4]
EVERETT ED, 1977, JAMA-J AM MED ASSOC, V238, P319
[5]
FEKETY RF, 1971, AM REV RESPIR DIS, V104, P499
[6]
MACFARLANE JT, 1982, LANCET, V2, P255
[7]
WOLONTIS S, 1969, Scandinavian Journal of Infectious Diseases, V1, P119, DOI 10.3109/inf.1969.1.issue-2.08