Porcelli, B <br/><br/>
Fast-atom bombardment mass spectrometry for mapping of endogenous methylated purine bases in urine extracts.  [electronic resource] 

 -  Rapid communications in mass spectrometry : RCM  1997 
 - 398-404 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0951-4198 
<br/><br/><label>Standard No.: </label>10.1002/(SICI)1097-0231(19970228)11:4<398::AID-RCM807>3.0.CO;2-M  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Colorectal Neoplasms--urine<br/>Humans<br/>Methylation<br/>Nucleotide Mapping--instrumentation<br/>Purines--urine<br/>Spectrometry, Mass, Fast Atom Bombardment