官庁営繕工事における不落・不調対策 (特集 工事価格の適正化--不落・不調対策の取り組み)
Published in 建設マネジメント技術 • Dec 1, 2008
Authors:
浩典 住田
Abstract
Post-ejaculatory urine samples ( PEUS ) were obtained from patients undergoing semen analysis. The samples were examined for the presence, number and morphology of sperm. Spermatozoa were found in PEUS of 84.8% of 171 patients whose semen contained sperm. The presence of sperm after, but not before,...
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