Purpose This double-blind placebo-controlled trial evaluated serum 25-hydroxyvitamin D [25(OH)D]
levels after the oral intake of a single dose of cholecalciferol during one of the three …

Objective The aim of this cross-sectional study was to evaluate the prevalence of low bone
mass density in cystic fibrosis patients as well as to evaluate the factors associated with bone …

Carta ao Editor insuficiência cardíaca descompensada. Como tal, não pode testar ou
comprovar a eficácia e segurança do fármaco. É, de fato, uma série de 182 casos. Todos …

Introduction Cystic fibrosis ( CF ) patients have a susceptibility to vitamin D deficiency because
of nutrient malabsorption. Objectives To evaluate the prevalence of hypovitaminosis D in …

We thank Danuta Skowronski and colleagues for their comments regarding the potential pitfalls
of using administrative databases to estimate vaccine efficacy. Unmeasured covariables, …

Background: Survival of cystic fibrosis (CF) patients has increased, so bone health could be
important for the quality of life of affected patients. Several studies described lower bone …

The pictures of decompensated heart failure (DHF) represent the third cause of
hospitalization and the first cardiovascular one in Brazil, presenting high mortality1. Thus, the …

Carta ao Editor fármaco. É, de fato, uma série de 182 casos. Todos receberam a intervenção,
e, portanto, não é possível fazer nenhuma inferência de eficácia, que só emerge de …