Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleOn the Sperma Invasion.AuthorsTsuchiya, Fumio; Seki, KenjiroPublicationUrologia Internationalis, 1958, Vol 7, Issue 4/5, p283ISSN0042-1138Publication typeArticleDOI10.1159/000277390