%0 Journal Article %J Nature Methods %D 2013 %T Proteoform: a single term describing protein complexity %A L. M. Smith %A Kelleher, N. L. %A Ge, Y. %A Consortium Top Down, Proteomics %B Nature Methods %V 10 %P 186-187 %8 Mar %@ 1548-7091 %G eng %R 10.1038/nmeth.2369