方法：采用自行设计问卷对本院泌尿外科门诊已行和未行包皮环切术的战士各100名进行调查。
Methods: We devised a questionnaire to study 100 circumcised soldiers and 100 uncircumcised soldiers in our research.
方法64例前列腺癌标本（年龄在50岁以上）和24例对照组标本均来自泌尿外科住院患者和门诊患者。
Methods 64 example of prostate cancer specimen(aged over 50 years old)and 24 example of control group specimen came from urology in-patient and the outpatients.
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