Conference III. Friday, June 3, at 10 a.m. THE NECESSITY FOR GREATER ATTENTION IN INDUSTRY TO THE MAINTENANCE OF EFFICIENCY AND THE PREVENTION OF ILL-HEALTH

Autor: Collis, Edgar L., Collins, E. L.
Zdroj: The Journal of State Medicine (1912-1937), 1921 Aug 01. 29(8), 229-248.
Databáze: JSTOR Journals