CLINICAL 552,935 Clinical and experimental gnotobiotics ; Proceedings of the Vlth International Symposium on Gnotobiology Ulm (Fed. Rep. of Germany), June 6-10, 1978 / eds. Theodor H. Fliedner [et al.]. - Stuttgart ; Hew York ; Gustav Fisher, 1979. - XVI, 396 s. i il., wykr. ; 25 cm. - (Zentralblatt fur Bakteriologie, Parasitenkunde, Infektions-krankheiten und Hygiene, ISSN 0172-5629 ; Abt.l, ppl.7)