CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 3,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.03.104
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 3,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.03.129
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 3,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.03.123
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 3,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.03.108
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 3,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.03.109