00714cam a2200205K 4500006906734MiAaHDL20090804000000.0m d cr bn ---auaua991021r19171917pau 000 0 eng dsdr-wu7650794(OCoLC)42678367NYPNYPHoffman, Frederick L.(Frederick Ludwig),1865-1946.Some theoretical and practical aspects of industrial medicine,by Frederick L. Hoffman ...[Philadelphia,1917]18 p.23 cm.Reprinted from the Transactions of the College of Physicians of Philadelphia, 1917.Caption-title.Mode of access: Internet.Industrial hygieneUnited States.Occupational diseasesUnited States.00690673420090730132809.020090804000000.020120815141453.02024-11-23T19:03:36Z2024-11-23T18:30:02ZSDR-WUUNKNOWNloader.pl-001-001BKsdr-wu7650794wuSDRWUwu.89097465389WU7650794WUWU20241123googlewu.890974653891917pdbibUS bib date1, date type r < 1931