Factors associated with stillborn and mummified piglets in high-prolific sows Yannick Le Cozler, Claudie Guyomarc'h, Xavier Pichodo, Pierre-Yves Quinio and Hervé PelloisAnim. Res., 51 3 (2002) 261-268DOI: https://doi.org/10.1051/animres:2002017