Hi Liesbeth,
try this one:
http://mycoplasmas.vm.iastate.edu/IOM/IOMhomepage.html
it's probably a good starting point...
--
Marc Marenda, D.V.M., Ph.D.
Pathologie de la Reproduction
ENVT 23 Ch. des Capelles F-31076 Toulouse Cedex 3
Tel: +33 [0] 561 19 3856 // Fax: +33 [0] 561 19 3273
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Those who believe in psychokinesis, raise my hand!