305,414 ANNUAL Annual Meeting of the Deutsche Gesellschagt fur Zellbiologie : Symposia evolution of the cell [...]. Workshops : the polarized epithelial cell [...] Konstanz, 15-20 March, 1992 Abstracts. -Stuttgart : Wissenschaftliche Verl. GmbH, 1992. -99 s. : il. ; 29 cm (European Journal of Cell Biology, ISSN 0724-5130 ; vol. 57, suppl. 36)