COMMISSIONER OF HEALTH STANLEY H.

ILswenatt j f c t M l h i i g s A & g & a s c j I a l l c t M B .

C L I N T O N W .

ILemdi CLINTON H ,C R A N C ,M (iidint K .C .

TH E JOURNAL OF INDUSTRIAL H YGIENE AND TOXICOLOGY HARVARD SCHOOL OF PUBLIC H EALTH t,M anaging editors Philip Drinker Margaret S.

V iLcBeadl CLIN TON H.

PU BLISH ER G io r g i Lake E D IT O R R a lp h L. o o r r e l l , M.D, C linical M edicine A M edical Journal Devoted to the Advancement of General Practice Professional Building Waukegan,Illinois June 16, 1947 Dr.

\ TH E JOURNAL OF INDUSTRIAL HYGIENE AND TOXICOLOGY HARVARD SCHOOL OF PUBLIC HEALTH tM anaging Editors Philip Drinker Margaret S.Perry September 16, 1948 Editorial O ffice 55 S hattuck S t reet B oston 15, M ass.

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ff..

9-IN ICA L SIGNIFICANCE OF HEMATOLOGIC CHANGES IN LEAD ABSORPTION AND LEAD POISONING WILLARD MACHLE, M.D.

House of Delegates xo. 102 MESSRS.

January.28, 1947 Dr.