TY - JOUR T1 - Polyspermy in birds: sperm numbers and embryo survival JO - Proceedings of the Royal Society B: Biological Sciences UR - http://eprints.whiterose.ac.uk/91830/ PY - 2015/11/07 AU - Hemmings N AU - Birkhead TR ED - DO - DOI: 10.1098/rspb.2015.1682 PB - The Royal Society VL - 282 IS - 1818 SP - 20151682 EP - 20151682 Y2 - 2025/05/31 ER -