title: Is there an authentic increased risk of pneumococcal pneumonia among young mothers whose children were fully vaccinated with PCV7? The role of methodological shortcomings.
authors.affiliation: Department of Biomedical Sciences, Hygiene and Preventive Medicine Unit, University of Sassari-AOU Sassari, Sassari, Italy. paolo.castiglia@uniss.it
authors.forename: Paolo
authors.initials: P
authors.lastname: Castiglia
authors.forename: Andrea
authors.initials: A
authors.lastname: Piana
authors.forename: Giovanni
authors.initials: G
authors.lastname: Sotgiu
mesh_terms: D005260:Female; D006801:Humans; D022242:Pneumococcal Vaccines / Q000008:administration & dosage*; D011018:Pneumonia, Pneumococcal / Q000517:prevention & control*
chemical_list: D022242:Pneumococcal Vaccines
keywords: Case-control study; Conjugate pneumococcal vaccine; Epidemiology