Regulatory control ans standardization of allergenic extracts /  csecond International Paul-Ehrlich-Seminar Sept. 13th-15th, 1981  
edited by H.D.Brede, H.Going and M.Schaeffer with contributions by R.C.Aalbers. 
 - Stuttgart :  Gustav Fisher Verlag,  1983. 
 - 278p. ;  28 cm. 
<br/><br/><label>ISBN: </label>3437108344 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Allergens--Congresses.<br/>Extracts--Congresses.