CHINESE JOURNAL OF SURGERY, Volume 39, Issue 11,2001, Pages 823-824, doi:10.3760/j:issn:0529-5815.2001.11.003
CHINESE JOURNAL OF SURGERY, Volume 39, Issue 11,2001, Pages 869-871, doi:10.3760/j:issn:0529-5815.2001.11.019
CHINESE JOURNAL OF SURGERY, Volume 39, Issue 11,2001, Pages 861-863, doi:10.3760/j:issn:0529-5815.2001.11.016