共 8 条
[1]
ASHFORD WA, 1976, LANCET, V2, P657
[2]
BROWN ST, CITED INDIRECTLY
[3]
KARNEY W W, 1977, New England Journal of Medicine, V296, P889, DOI 10.1056/NEJM197704212961601
[4]
PERCIVAL A, 1976, LANCET, V2, P1379
[5]
PHILLIPS, 1976, LANCET, V2, P656
[6]
REYN A, 1973, BRIT J VENER DIS, V49, P54
[7]
1976, MORBIDITY MORTALITY, V25, P261
[8]
1977, WKLY EPIDEM REC, V52, P357