Authors: R R Wauer; G Schmalisch; K Menzel; M Schröder; K Müller; R Tiller; G Methfessel; U Sitka; E Koepke; C Plath; C Schlegel; M Böttcher; I Köppe; U Fricke; K Severin; R Jacobi; W Schmidt; G K Hinkel; I Nitz; D Kunze; G Reichmann; B Lachmann; K Lampe; E L Grauel Journal: Int J Biol Res Pregnancy Date: 1982