CHINA POULTRY, Volume 23, Issue 23,2001, Pages 22-23, doi:10.3969/j.issn.1004-6364.2001.23.014
MODERN JOURNAL OF INTEGRATED CHINESE TRADITIONAL AND WESTERN MEDICINE, Volume 10, Issue 23,2001, Pages 2308, doi:10.3969/j.issn.1008-8849.2001.23.087
CHINA MEDICAL NEWS, Volume 16, Issue 23,2001, Pages 13-14,
MODERN REHABILITATION, Volume 5, Issue 23,2001, Pages 79, doi:10.3321/j.issn:1673-8225.2001.23.055