However a third party is needed to enter into an agreement with Promessa to order the equipment needed for promession of human cadavers .
From 2004 , trials have been performed on pigs , and AGA Gas developed a proof - of - concept .
A third party is needed to enter into an agreement with Promessa to order the equipment needed for promession of human cadavers .
From 2004 , trials have been performed on pigs , and AGA Gas developed a proof - of - concept .