CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 8,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.08.121
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 8,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.08.106
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 8,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.08.101
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 8,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.08.114
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 8,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.08.107