>I use Bovine thrombin sparingly but when I need it I really need it because of significant bleeding during a biopsy.<
When recombinant human thrombin is available, anyone who uses the products derived from bovine plasma better have good malpractice insurance. The same can be said (to a lesser degree) of the products derived from human plasma.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”