中华预防医学杂志, Volume 34, Issue 7,2000, Pages 42-45,
中华预防医学杂志, Volume 34, Issue 7,2000, Pages 38-41,
中华预防医学杂志, Volume 34, Issue 7,2000, Pages 60-61,
中华预防医学杂志, Volume 34, Issue 7,2000, Pages 32-34,
中华预防医学杂志, Volume 34, Issue 7,2000, Pages 46-48,