Immunotherapy with partially purified and standardized animal dander extracts. I. Clinical results from a double-blind study on patients with animal dander asthma. - Sundin,B.; Lilja,G.; Graff-Lonnevig,V.; Hedlin,G.; Heilborn,H.; Norrlind,K.; Pegelow,K.O.; Løwenstein,H. (J Allergy Clin Immunol, 1986)