Vrabec, D P <br/><br/>
Multiple primary malignancies associated with index cancers of the oral, pharyngeal and laryngeal areas.  [electronic resource] 

 -  Transactions - Pennsylvania Academy of Ophthalmology and Otolaryngology  1979 
 - 177-81 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0048-3206 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Esophageal Neoplasms--epidemiology<br/>Humans<br/>Laryngeal Neoplasms--epidemiology<br/>Lung Neoplasms--epidemiology<br/>Mouth Neoplasms--epidemiology<br/>Neoplasms, Multiple Primary--epidemiology<br/>Pharyngeal Neoplasms--epidemiology<br/>Precancerous Conditions