CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 7,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.07.107
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 7,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.07.117
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 7,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.07.127
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 7,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.07.125
CHINESE JOURNAL OF PEDIATRICS, Volume 36, Issue 7,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.07.110