Lupi, Chiara <br/><br/>
Rare primary headaches in Italian tertiary Headache Centres: Three year nationwide retrospective data from the RegistRare Network.  [electronic resource] 

 -  Cephalalgia : an international journal of headache  07 2018 
 - 1429-1441 p.  digital 
<br/><br/> Publication Type: Journal Article; Multicenter Study 
<br/><br/><label>ISSN: </label>1468-2982 
<br/><br/><label>Standard No.: </label>10.1177/0333102418768824  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bias<br/>Cluster Headache--diagnosis<br/>Humans<br/>Incidence<br/>International Classification of Diseases<br/>Italy--epidemiology<br/>Prevalence<br/>Rare Diseases--diagnosis<br/>Registries<br/>Retrospective Studies<br/>Terminology as Topic<br/>Tertiary Care Centers