Epidemiologic evidence on the association between vitamin D and breast cancer is still
inconclusive. This study analyzes the association between serum 25-hydroxyvitamin D (25 …

Background The relationship between non-steroidal anti-inflammatory drug (NSAID)
consumption and breast cancer has been repeatedly studied, although the results remain …

Helicobacter pylori (H. pylori) chronic infection causes severe digestive diseases, including
gastric cancer, and certain strains entail a higher risk. Risk factors for this infection are still …

Purpose The objective of this study is to analyse the relative survival with breast cancer in
women diagnosed after new treatments were generalised and to ascertain the current effect …

Purpose To evaluate the association between dietary fat and fat subtype and breast cancer
development. Methods We conducted a case–control study with 1181 cases of incident …

We thank Dr Montes and Dr Fernández-Reyes for their interest in our recent manuscript
about Helicobacter pylori seroprevalence and sociodemographic factors (Lorenzo et al …

We present the protocol of a large population-based case-control study of 5 common
tumorsin Spain (MCC-Spain) that evaluates environmental exposures and genetic factors …

Introduction The objective is to study the association between occupational exposures and
breast cancer risk in the framework of the population based multicase-control study (MCC …

Introduction Metal dust inhalation might be harmful for the respiratory system. We studied the
association between urinary and toenail levels of metals, and respiratory symptoms (RS) …

Introduction Dietary intake is the main source of exposure to metals in the general
population, however, among metal, chemical and mining workers, occupational exposure …