Clinicopathologic Conference, Functional Vitamin B12 Deficiency from Use of Nitrous OxideNEJM 388:1893-1900, Case 15-2023, 2023
Clinicopath Conf, Pernicious Anema with Autoimmune Gastritis and B12 DeficiencyNEJM 351:1333-1341, Case 30-2004, 2004