Hassoun R, Schwartz P, Rath D, Viebahn C, Männer J (2010)
Germ layer differentiation during early hindgut and cloaca formation in rabbit and pig embryos. J Anat. 217: 665-78

Püschel B, Daniel N, Bitzer E, Blum M, Renard JP, Viebahn C (2010)
The rabbit (Oryctolagus cuniculus): a model for mammalian reproduction and early embryology.
Cold Spring Harb Protoc. 2010 Jan;2010(1):pdb.emo139.