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.
The following tips for roasting leg of lamb are based on a 4-pound leg of lamb, well-trimmed, boned, rolled, and tied. For a bone-in leg of lamb, add 5 minutes per pound to roasting time.1  Preheat oven to 400 Â° F. Combine ingredients for seasoning rub, as desired. 2  Rub mixture over surface of lamb. 3  At this point lamb may be covered and refrigerated up to 24 hours before roasting. Roast 15 minutes. 2  Reduce oven temperature to 325 Â° F. Roast 20 minutes per pound until roast registers 150 Â° F for medium. 3  Transfer roast to cutting board; tent with foil. 4  Let stand 10 minutes before carving. 5  Temperature of roast will continue to rise 5 Â° F to 10 Â° F during stand time.