A parietal cell antibody test may be used along with or following an intrinsic factor antibody test to help determine the cause of a vitamin B12 deficiency and to help confirm a diagnosis of pernicious anemia.
1 Place leg of lamb on a rack in a roasting pan. 2  Preheat oven to 325 degrees and bake leg of lamb uncovered for 30 minutes per pound or until internal temperature reaches 120 to 130 degrees at the thickest point. Preheat oven to 325 degrees and bake leg of lamb uncovered for 30 minutes per pound or until internal temperature reaches 120 to 130 degrees at the thickest point.
Arrange the rack bone side down in the skillet. Roast the lamb in preheated oven for 12 to 18 minutes, depending on the degree of doneness you want. With a meat thermometer, take a reading in the center of the meat after 10 to 12 minutes and remove the meat, or let it cook longer, to your taste.