RT Journal Article SR Electronic T1 Respirators for Protection Against Mercury Vapour JF British Journal of Industrial Medicine JO Br J Ind Med FD BMJ Publishing Group Ltd SP 69 OP 75 DO 10.1136/oem.10.2.69 VO 10 IS 2 A1 Vouk, V. B. A1 Topolnik, Z. A1 Fugaš, M. YR 1953 UL http://oem.bmj.com/content/10/2/69.abstract AB