10.1016/S0140-6736(02)11274-8
10.1016/S1352-2310(00)00067-4
10.1016/S1352-2310(97)00496-2
10.1016/1047-2797(94)90103-1
10.1080/00039896.1994.9937471
10.1097/00001648-199705000-00012
10.1097/00001648-200001000-00014
10.1016/S0140-6736(02)11280-3
10.1097/00001648-200201000-00016
Ware JH, Ferris BG Jr, Dockery DW, Spengler JD, Stram DO, Speizer FE. Effects of ambient sulfur oxides and suspended particles on respiratory health of preadolescent children. Am Rev Respir Dis 1986;133:834–842.
10.1164/ajrccm.159.3.9804143
10.1016/0048-9697(84)90266-3
10.1016/0004-6981(83)90233-0
10.1016/j.atmosenv.2003.10.005
10.1164/ajrccm.159.3.9804144
10.1097/00001648-200007000-00015
10.1034/j.1600-0668.2001.110202.x
Martinez FD. Maternal risk factors in asthma. Ciba Found Symp 1997;206:233–239.
10.1164/ajrccm/151.5_Pt_1.1644
10.1097/01.EDE.0000041910.49046.9B