Levin, Alan S. The type 1/type 2 allergy relief program : : including information on testing procedures ... / [electronic resource] / Alan S. Levin and Merla Zellerbach ; research assistant, Debra Lynn Dadd.. — 1st ed.. — Los Angeles : Boston : : Tarcher ; : Distributed by Houghton Mifflin,, c1983.. — 228 p. ; 22 cm.