Occupational health ... Médecine du travail
Series: Its Bulletin -- v.13, no.4, 1955; Bulletin of the World Health Organization -- v. 13, no. 4, 1955
Published: 1955
Place of publication: Genève
Language: eng
Number of pages: 742
Notes: A selection of papers presented at seminars at Leyden in December 1952 and Milan in October 1953.