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.
Preheat oven to 325Â°. Roast lamb, basting occasionally and adding water by 1/4-cupfuls if pan is dry, until meat is completely tender and pulling easily away from the bones, 4â4 1/2 hours (be sure to secure foil tightly around the roasting pan each time you finish basting the lamb). Remove lamb from oven and uncover. Preheat broiler. Broil lamb, basting occasionally, until fat is golden brown and crisp, 5â7 minutes. Transfer lamb to a serving platter. Spoon fat from surface of juices in pan; discard fat. Pour juices into a pitcher and serve alongside lamb.