CHINA MODERN DOCTOR, Volume 45, Issue 17,2007, Pages 3-4,38, doi:10.3969/j.issn.1673-9701.2007.17.002
ACTA ACADEMIAE MEDICINAE MILITARIS TERTIAE, Volume 29, Issue 17,2007, Pages 1685-1687, doi:10.3321/j.issn:1000-5404.2007.17.013
OCCUPATION AND HEALTH, Volume 23, Issue 17,2007, Pages 1541-1542, doi:10.3969/j.issn.1004-1257.2007.17.043
INTERNATIONAL MEDICINE & HEALTH GUIDANCE NEWS, Volume 13, Issue 17,2007, Pages 8-10, doi:10.3760/cma.j.issn.1007-1245.2007.17.002