In a message dated 96-11-11 04:57:44 EST, you write:
>
>At the back of my mind somewhere I recall someone saying that
>liquid nitrogen can be bought in welding supply stores.
>Who knows if this is acceptable/suitable for patient treatment.
>
>
Veterinarians virtually always know where Liquid Nitrogen can be obtained at
reasonable rates (as well as the Dewars necessary to store it for any length
of time). Cattle breeders over here could hardly get along without frozen
bull semen able to be thawed at a moment's notice!
Arthur Freeland
Warrensburg Missouri US
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