FOREIGN MEDICAL SCIENCES, Volume 20, Issue 1,2000, Pages 18-19,20, doi:10.3760/cma.j.issn.1673-436X.2000.01.007
FOREIGN MEDICAL SCIENCES, Volume 20, Issue 1,2000, Pages 33-36, doi:10.3760/cma.j.issn.1673-436X.2000.01.013
FOREIGN MEDICAL SCIENCES, Volume 20, Issue 1,2000, Pages 25-26, doi:10.3760/cma.j.issn.1673-436X.2000.01.010