Document RJNJmoEYbwY0yrkqKygR9RK4E

Wil l ia m E.Ra ms a y , M.D. Pe r t h Amb o y , Kb v Jb r s e t Mar. 6th, 1919. Dr. Carl K. Drinker, Dept. Industrial Hygiene, Harvard Medical School, Boston, Mass. My dear Dr. Drinker:- I have your letter of recent date in connection with blood samples in lead. I will be very glad to cooperate with you in any way that I can. I would like, however, to be instructed as what class of cases Prof. Folin would desire specimens from. For instances, cases working in lead not showing any symptoms, suspicious cases of acute infections, or cases known to be cases of chronic plumbism. Awaiting your instructions, I am V r> r , **' '4 '' - V