GUANGDONG MEDICAL JOURNAL, Volume 24, Issue z1,2003, Pages 3-6, doi:10.3969/j.issn.1001-9448.2003.z1.002
CHINESE JOURNAL OF CARDIOLOGY, Volume 31, Issue z1,2003, Pages 17-20, doi:10.3760/j:issn:0253-3758.2003.z1.004
JOURNAL OF HUZHOU TEACHERS COLLEGE, Volume 25, Issue z1,2003, Pages 79-84, doi:10.3969/j.issn.1009-1734.2003.z1.019
CHINESE JOURNAL OF CARDIOLOGY, Volume 31, Issue z1,2003, Pages 184, doi:10.3760/j:issn:0253-3758.2003.z1.190
CHINESE JOURNAL OF ENDEMIOLOGY, Volume 22, Issue z1,2003, Pages 384-386, doi:10.3760/cma.j.issn.1000-4955.2003.z1.207