Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: parent exact "Ann. Soc. belge Méd. trop., nr. 71, p. 159" Add to list Journal Article A2 Physiological and immunological aspects of the early developing stages of Nosema apis, midgut parasite of the honey bees Dirk de Graaf (UGent) and Franciscus Jacobs (UGent) (1991) Ann. Soc. belge Méd. trop., nr. 71, p. 159.