Headache and head pain :  diagnosis and treatment / 
edited by Robert E. Ryan and Robert E. Ryan, Jr. 
 - St. Louis, Mo. :  C. V. Mosby,  1978. 
 - 428 p. :  ill. ;  27 cm. 
<br/><br/> Earlier ed. by R. E. Ryan published under title: Headache, diagnosis and treatment. 
<br/><br/><label>ISBN: </label>0801642426 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Headache.<br/>Headache--diagnosis.<br/>Headache--therapy.