CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 2,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.02.111
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 2,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.02.127
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 2,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.02.120
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 2,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.02.104
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 2,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.02.107