laboratory diagnostic - others - VIP - Vasoactive Intestinal Polypeptide - plasma, 1ml EDTA plasma + Aprotinine - nonhemolysed, The plasma must be frozen within 1 hour after collection and must be sent in the frozen samples container. sample on special tube (EDTA+Aprotinine) supplied on request, home sampling is not advisable, Radioimmunoassay, ssso, todylaboratories®, bmn, code L16LD1657