CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 6,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.06.114
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 6,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.06.106
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 6,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.06.130
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 6,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.06.105
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 6,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.06.121