title: Vaccinating welders against pneumonia.
authors.forename: Dil
authors.initials: D
authors.lastname: Sen
authors.forename: Yiqun
authors.initials: Y
authors.lastname: Chen
mesh_terms: D006801:Humans; D016273:Occupational Exposure / Q000009:adverse effects*; D011008:Pneumococcal Infections / Q000401:mortality*; D011018:Pneumonia, Pneumococcal / Q000401:mortality*; D014896:Welding