1. Van der Valka J, Mellorb D, Brandsc R (2004) The humane collection of fetal bovine serum and possibilities for serum-free cell and tissue culture. Toxicol In Vitro 18:1–12
2. Eloit M (1999) Risks of virus transmission associated with animal sera or substitutes and methods of control. Dev Biol Stand 99:9–16
3. Shah G (1999) Why do we still use serum in the production of biopharmaceuticals? Dev Biol Stand 99:17–22
4. Wessman SJ, Levings RL (1999) Benefits and risks due to animal serum used in cell culture production. Dev Biol Stand 99:3–8
5. Asher DM (1999) Bovine sera used in the manufacture of biologicals: current concerns and policies of the US. Food and drug administration regarding the transmissible spongiform encephalopathies. Dev Biol Stand 99:41–44