This is a preview of subscription content,log in via an institutionto check access. ArticlePubMedCASGoogle Scholar Hirata Y, Yanagisawa I, Ishii Y, Tsukamoto S, Ito N, Isomura Y, Takeda M (1981) US Pat 4283408, zit. nach CA (1981) 94: 139734m Google Scholar Frosst Pharma GmbH Münche...