Title:Efficacy of topical diclofenac vs topical nepafenac in reducing pain associated to retinal photocoagulation [Eficacia del diclofenaco tópico vs. nepafenaco tópico en la reducción del dolor durante la fotocoagulación panretiniana]
Title:Changing trends in serotypes of S. pneumoniae isolates causing invasive and non-invasive diseases in unvaccinated population in Mexico (2000-2014)