@article{articleb340d76f,
title   = {Nanoscale differences in the shape and size of X and Y chromosome-bearing Bovine sperm heads assessed by atomic force microscopy},
author = {Carvalho, José O and Silva, Luciano P and Sartori, Roberto and Dode, Margot A. N},
year = {2013},
doi = {10.1371/journal.pone.0059387},
journal   = {PLOS ONE}
}