Sigma-Aldrich Tetanus Toxoid, Clostridium Tetani, This Tetanus Toxoid Is Prepared By Formaldehyde Inactivation Of Tetanus Toxin. It Retains Its Antigenic Character, 25 Ug
Sigma-Aldrich Tetanus Toxoid, Clostridium Tetani, This Tetanus Toxoid Is Prepared By Formaldehyde Inactivation Of Tetanus Toxin. It Retains Its Antigenic Character, 25 Ug