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A sequential analysis procedure for urine samples was developed and validated focusing on 210Po, natural uranium, and thorium radioisotopes. The amount of sample for analysis and counting time were estimated to meet the criteria of minimum detectable activity, which was referenced from the ICRP. The analysis procedure was modified via sequential extraction and was validated using certified reference...
To investigate the high prevalence of lower urinary tract symptoms in Korean men with a small prostate, we studied the proportions of histologic components of prostatic adenoma in patients with symptomatic benign prostatic hyperplasia. Prostatic adenoma specimens were obtained from men with symptomatic benign prostatic hyperplasia who underwent open prostatectomy or transurethral resection of the...
Objectives. To study the epidemiologic details of urolithiasis in Seoul, Korea. The prevalence of urolithiasis varies by different regions in the world and has been reported to be 4% to 15%.Methods. A total of 2643 persons 40 to 79 years old living in Seoul were selected by stepwise random sampling. Questionnaires were used and completed by trained interviewers concerning whether the subjects had...
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