Akimoto S, Masai M, Shimazaki J. Relationship between diurnal rhythm of serum testosteron and two prostatic markers (PSA and PAP) in untreated prostate cancer. Urology 1994; 42: 337.
Catalona WJ, Richie JP, deKernion JB et al. Comparison of prostate specific antigen concentration versus prostate specific antigen density in the early detection of prostate cancer: receiver operating characteristic curves. J Urol 1994; 152: 2031.
Cooner WH, Mosley BR, Rutherfold CL Jr et al. Prostate cancer detection in a clinical urological practice by ultrasonography, digital rectal examination and prostate-specific antigen. J Urol 1990; 143: 1146.
Dejter SW Jr., Martin JS, McPherson RA, Lynch JH. Daily variability in human serum prostate-specific antigen and prostatic acid phosphatase: a comparative evaluation. Urology 1988; 32: 288.
El-Shirbiny AMF, Nilso NT, Pawar HN. Serum prostatespecific antigen: hourly change/24 hours compared with prostatik acid phosphatase. Urology 1990; 35: 88.
Komatsu K, Wehner N, Prestigiacomo AF et al. Physiological (intraindividual) variation of serum prostate-specific antigen in 814 men from a screening population. Urology 1996; 47: 343.
Maatman TJ. The role of prostate specific antigen as a tumor marker in men with advanced adenocarcinoma of the prostate. J Urol 1989; 141: 1378–1380.
Mannini D, Maver P, Aiello E et al. Spontaneous circadian fluctuations of prostate specific antigen and prostatic acid phosphatase activities in patients with prostatic cancer. Urol Res 1988; 16: 9.
Oesterling JE. Prostate specific antigen: a critical assessment of the most useful tumor marker for adenocarcinoma of the prostate. J Urol 1991; 145: 907.
Ornstein DK, Rao GS, Simith DS et al. Effect of digital rectal examination and needle biopsy on serum total and percentage of free prostate specific antigen levels. J Urol 1997; 157: 195.
Riehmann M, Rhodes PR, Cook TD et al. Analysis of variation in prostate-specific antigen values. Urology 1993; 42: 390.
Schiffman RB, Ahmann FR, Elvick A et al. Analytical and physiological characteristics of prostate-specific antigen and prostatic acid phosphatase in serum compared. Clin Chem 1987; 33: 2086.
Simak R, Madersbacher S, Zhang ZF, Maier U. The impact of ejaculation on serum prostate specific antigen. J Urol 1993; 150: 895.
Stamey TA, Yang N, Hay AR et al. Prostate-specific antigen as a serum marker for adenocarcinoma of the prostate. N Engl J Med 1987; 317: 909.
Winer BJ. Single factor experiments having repeated measures of the same elements. In: Statistical Principles in Experimental Design, 2 ed, 261–308, McGraw-Hill Book Co, New York 1971.