It depends on what kind of lab you work in, if its physics ...... ;-) What did you grow it on, how do you know it is C. tetanii? Pd. "Richard" <riksaart at hetnet.nl> wrote in message news:uOg3itXKAHA.33 at net025s... > We have grown a clostridium tetanii on our lab., how special is that. > > Richard. > >