1. Notes on the origin of the domestic guinea-pig;Weir,1974
2. The guinea pig: healing, food, and ritual in the andes;Morales,1995
3. Manual of exotic pet practice;Mitchell,2008
4. Subclinical scurvy in the guinea pig;Clarke;Vet Pathol,1980
5. Rabbit feeding and nutrition; chapter 19—nutrition of guinea pigs;Cheeke,1987