ISBN 3805557442 books & textbook
International Workshop on Poliovirus Attenuation: Molecular Mechanisms and Practical Aspects : Proceedings of a Workshop Held at Bethesda, Mc, USA D (DEVELOPMENTS IN BIOLOGICALS)
S Karger Ag /1993-01-01 Paperback / 192 Pages
isbn-10: 3805557442 / isbn-13: 9783805557443