Relationships between vitamin A and PCBs in grey seal mothers and pups during lactation., Vanden Berghe Marie, Mat Audrey, Arriola Aline, Polain Stéphanie, Stekke Valérie, Thomé Jean-Pierre, Gaspart Frédéric, Pomeroy Paddy, Larondelle Yvan, and Debier Cathy, Environmental pollution (Barking, Essex : 1987), 2010 May, Volume 158, Issue 5, p.1570-5 (2010)