Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector7713110.17816/kazmj77131MiscellaneousKoessler, Maurer, Loughlin (Journ. of Am. Med. Ass., 1926; on ref. in Nov. Fr. Med., 1926, no. 11-12)BoardE.info@eco-vector.com15071927236-77417413007202130072021Copyright © 1927, Board E.1927<p>Based on both clinical observations and experimental studies, the authors attribute an important role in the origin of pernicious anemia to vitamin deficiencies in the diet, especially vitamin A.</p>Kazan Medical archiveКазанский медицинский архив