Development of vaccines for fertility regulation :  papers presented at the WHO sponsored session of the Third International Symposium on Immunology of Reproduction, held in Varna, Bulgaria, 21-25 September 1975 / 
contributors : M.J.K. Harper ... [et al.]. 
 - Copenhagen :  Scriptor,  1976. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>8787473097 
<br/><br/><label>LCCN: </label>77675416 //r90 
<br/><br/><label>Nat. Bib. No.: </label>D*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Antifertility vaccines -- Congresses.--Antifertility vaccines -- Congresses.<br/>Fertility, Human -- Immunological aspects -- Congresses.--Fertility, Human -- Immunological aspects -- Congresses.--Fertility, Human -- Immunological aspects -- Congresses.
<br/><br/><label>LC Class. No.: </label>RG136.8  / .D47 
<br/><br/><label>Dewey Class. No.: </label>615/.766