共 68 条
[3]
[Anonymous], 2012, Wkly Epidemiol Rec, V87, P461
[4]
[Anonymous], 2006, Wkly Epidemiol Rec, V81, P198
[5]
[Anonymous], 1990, LANCET, V335, P1559, DOI 10.1016/0140-6736(90)91380-S
[8]
BURTON AE, 1984, J ROY COLL GEN PRACT, V34, P390