CHINESE JOURNAL OF PEDIATRICS, Volume 7, Issue 1,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.01.119
CHINESE JOURNAL OF PEDIATRICS, Volume 7, Issue 1,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.01.124
CHINESE JOURNAL OF PEDIATRICS, Volume 7, Issue 1,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.01.111
CHINESE JOURNAL OF PEDIATRICS, Volume 7, Issue 1,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.01.108
CHINESE JOURNAL OF PEDIATRICS, Volume 7, Issue 1,1998, , doi:10.3760/cma.j.issn.0578-1310.1998.01.115