RT Journal Article SR Electronic T1 II. Determination of Types of Viable Bacteria JF British Journal of Industrial Medicine JO Br J Ind Med FD BMJ Publishing Group Ltd SP 311 OP 313 DO 10.1136/oem.9.4.311 VO 9 IS 4 A1 Hamlin, Mary YR 1952 UL http://oem.bmj.com/content/9/4/311.abstract AB