@article{article2d40f011,
title   = {On the molecular mass of the extracellular hemoglobin of glossoscolex paulistus: analytical ultracentrifugation reexamination},
author = {Carvalho, Francisco Adriano O. and Santiago, Patricia Soares and Borges, Julio Cesar and Tabak, Marcel},
year = {2009},
doi = {10.1016/j.ab.2008.11.008},
journal   = {Analytical Biochemistry}
}