Graham, D Y <br/><br/>
Endoscopic needle biopsy: a comparative study of forceps biopsy, two different types of needles, and salvage cytology in gastrointestinal cancer.  [electronic resource] 

 -  Gastrointestinal endoscopy   
 - 207-9 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial 
<br/><br/><label>ISSN: </label>0016-5107 
<br/><br/><label>Standard No.: </label>10.1016/s0016-5107(89)72759-0  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biopsy, Needle--instrumentation<br/>Colonoscopes<br/>Gastrointestinal Neoplasms--pathology<br/>Gastroscopes<br/>Humans<br/>Needles<br/>Prospective Studies<br/>Specimen Handling