This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 edition. Excerpt: ...(V. K.) & Campbell (H. L.) The effect of temperature and of the concentration of hydrogen ions upon the rate of destruction of antiscorbutic vitamin (vitamin C). Proc. Nat. Acad. Sc., Balt, 1921, vii, 279-281. Weitzel (W.) Die neuentdeckten lcbens wichtigen Nahrstoffe, Vitamine. Nach dem Stande der neuesten Forschungen. Aerztl. Rundschau, Munchen, 1921, xxxi, 349; 361; 369. Wollman (E.) Sur le role des microorgan ismes dans la production des vitamines. Compt. rend. Soc. de biol., Par., 1921, lxxxv 801-803. Wright (S.) The effect of B-vitamin on the appetite. Laneet, Lond., 1921, ii, 1208. Zilva (S. S.) & Drummond (J. C.) Vita min: a content of oils prepared from livers of the eod, coal-fish, and haddock. Ibid., 753. Zllva (S. S.) & Miura (M.) The quantitative estimation of the fat soluble factor. Bio Chem. J., Cambridge, 1921, xv, 654-659. VITILIGO. Cumston (C. G.) Vitiligo and its relationship to syphilis. N. York M. J. etc., 1921, cxiv, 712, VITREOUS HUMOR. Holloway (T. B.) Snowball vitreous opaci ties; additional cases. Am. J. Ophth., Cb; cago, 1922, 3. s., v, 100-105. Z' Brun (T.) Untersuchungen liber das Vor-kommen seniler Glaskorpertrilbungen nn 200 Augen gesunder Personen. Arch. f. Ophth., Berl., 1921, cvii, 61-70. VOCAL CORDS. Mariasse. Ueber hyaline Degeneration des Siiuglingsstimmbandes. Verhandl. d. Ge-sellsch. deutsch. Hais-, Nasen-u. Ohrenarzte, Leipz., 1921, 45-47. V CarnTegeN'LIbrary, Pittsburgh Pa. Choiee of vocation; a selected list of books and magasine art des for the guidance of students. fpreface by John H. Leete. Pitteburgh Pa, 1921, Carnegie Library of Pittsburgh, 54 p., Fiirst (Theobald). Die Frage der Berufsberatung und Berufseignnng vom togienischea Standpunkt. MUnchen & Berl., ...