Authors: Dennis Vanengelsdorp; Jay D Evans; Claude Saegerman; Chris Mullin; Eric Haubruge; Bach Kim Nguyen; Maryann Frazier; Jim Frazier; Diana Cox-Foster; Yanping Chen; Robyn Underwood; David R Tarpy; Jeffery S Pettis Journal: PLoS One Date: 2009-08-03 Impact factor: 3.240