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.
Medium Rare. Cooking your leg of lamb to a medium-rare finish, with a pronounced pink hue to the meat, means the internal temperature should reach 145 degrees F. With your oven preheated at 325 degrees F, you will cook the lower leg half (called the shank) for 25 to 30 minutes per pound.