%0 Journal Article %A A G Nicol %A M E Wright %A A C Prentice %A A Carroll %A S Kemp %A J M Reed %T Need for vaccination of sewer workers against leptospirosis and hepatitis A %D 1996 %R 10.1136/oem.53.1.71-c %J Occupational and Environmental Medicine %P 71-71 %V 53 %N 1 %U https://oem.bmj.com/content/oemed/53/1/71.4.full.pdf