Sievers, Rudolph F.

A Medical study of the effect of TNT on workers in a bomb and shell loading plant / by Rudolph F. Sievers,[and others] Report of a fatal case of aplastic anemia / by Robert L. Stump, A. Ralph Monaco, Rudolph F. Sievers from the Industrial Hygiene Research Laboratory, National Institute of Health; prepared by direction of the Surgeon General.