Document npqDbmxDajjQ7mNBLRQBgO8kw

! P' THE JOURNAL OF INDUSTRIAL HYGIENE AND TOXICOLOGY 1 ^Managing Editors W. Ir v in o Cl a r k , M.D. Ph il ip : Dr in k e r He l e n La w s o n HARVARD SCHOOL OF PUBUC HEALTH 'I Sditoried Office 55 Sh a t t u c k St r e et Bo s t o n , Ma s s . F]eb. 4, 1941 Dear Dr. Kehoe: I am enclosing a short note by Dr. Belknap which we shall publish after your reoly to his paper. Dr. Fairhall has seen the enclosed note and thinks it is all right. Will you please return it as soon as possible? Sincerely yours. 6- UUUJiojj (lirs) Helen Lawson editor Kif ooi