Tang N L, Pang C P, Yeo W, Choy K W, Lam P K, Suen M, Law L K, King W W, Johnson P, Hjelm M
Department of Chemical Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong Special Administrative Region.
J Natl Cancer Inst. 1999 May 19;91(10):882-5. doi: 10.1093/jnci/91.10.882.