1[1]Christensson A Bjork T,Nilsson O,et al.Serum prostate specific antigen complexed to al-antichymotrypsin as an indicator of prostate cancer[J].J Urol,1993,150(1):100～105.
2Oesterling JE,Jacobsen SJ,Klee GG,et al. Free complexed and total serum prostate specific antigen:the establishment of appropriate reference ranges fortheir concentrations and ratio [J]. J Urol, 1995 ; 154 :1090-1095.
3Benson MC,Whang IS,Olsson CA,et al. The use of prostate specific antigen density to enhance the predictive value of intermediate levels of serum prostate specific antigen [J]. J Urol, 1992;147:817-821.
4Catalona WJ,Mith DS,Wolfert RL,et al. Evaluation of percentage of free serum prostate specific antigen to improve specificity of prostate cancer screening[J]. J AMA, 1995;274:1214-1220.
5Oremek GM, Sapontzis N, Eden F,et al. Complexed PSA in routine diagnosis[J]. Anticancer Res, 2003;23:975-977.
6Ozdal OL,Aprikian AG,Beegin LR,et al. Comparative evaluation of various prostate specific antigen ratios for the early detection of prostate cancer[J].BJU lnt,2004;93(70):970-974.
7Gion M,Mione R, Bariolip,et al. Percent free prostate-specific antigen in assessing the probability of prostate cancer under optimal analytical condition[J]. Clin Chem, 1998;44 : 2462-2470.
8Trinkler FB,Schmid DM, Hauri D,et al. Free/total prostate-specific antigen ratio can prevent unnecessary prostate biopsies [J]. Urology, 1998;52: 479-486.
9Catalona WJ. Measurement of prostate-specific antigen in serum as screening test for prostate cancer[J]. New Engl J Meal,1991 ;324:1156-1161.
10Polascik TJ,Oesterling JE,Partin AW. Prostate specific antigen: a decade of discovery-what we have learned and where we are going[J]. J Urol, 1999;162:293-306.
