Sewage workers and hepatitis A.
Shakespeare
A
A
Poole
J
J
D006266:Health Education / Q000458:organization & administration*; D006506:Hepatitis A / Q000453:epidemiology / Q000517:prevention & control*; D006801:Humans; D009784:Occupational Diseases / Q000453:epidemiology / Q000517:prevention & control*; D012307:Risk Factors; D012722:Sewage
D012722:Sewage