TY - GEN AU - Porcelli,B AU - Muraca,L F AU - Frosi,B AU - Marinello,E AU - Vernillo,R AU - De Martino,A AU - Catinella,S AU - Traldi,P TI - Fast-atom bombardment mass spectrometry for mapping of endogenous methylated purine bases in urine extracts SN - 0951-4198 PY - 1997///0417 KW - Colorectal Neoplasms KW - urine KW - Humans KW - Methylation KW - Nucleotide Mapping KW - instrumentation KW - Purines KW - Spectrometry, Mass, Fast Atom Bombardment N1 - Publication Type: Journal Article UR - https://doi.org/10.1002/(SICI)1097-0231(19970228)11:4<398::AID-RCM807>3.0.CO;2-M ER -