CHINESE JOURNAL OF SURGERY, Volume 42, Issue 20,2004, Pages 1225-1227, doi:10.3760/j.issn.0529-5815.2004.20.003
ACTA ACADEMIAE MEDICINAE MILITARIS TERTIAE, Volume 26, Issue 20,2004, Pages 1869-1871, doi:10.3321/j.issn:1000-5404.2004.20.022
INTERNATIONAL MEDICINE & HEALTH GUIDANCE NEWS, Volume 10, Issue 20,2004, Pages 13-16, doi:10.3760/cma.j.issn.1007-1245.2004.20.004
MODERN MEDICINE & HEALTH, Volume 20, Issue 20,2004, Pages 2161-2162, doi:10.3969/j.issn.1009-5519.2004.20.082