Objetivo El aumento de la frecuencia de asma ocurrido en la segunda mitad del siglo XX no
es homogéneo entre los estudios más recientes. Hemos evaluado los cambios en la …

Placental dysfunction is involved in a group of obstetrical conditions including preeclampsia,
intrauterine growth restriction, and placental abruption. Their timely and accurate …

Antecedentes y objetivos El asma es una enfermedad cuya importancia para la salud pública
se debe a su cronicidad y elevada prevalencia en todos los grupos de edad y sexo. Con …

BACKGROUND: The natural history of asthma severity is poorly known. OBJECTIVE: To
investigate prognostic factors of asthma severity. METHODS: All current patients with asthma …

Background Low concentrations of the anti-inflammatory protein CC16 (approved symbol
SCGB1A1) in serum have been associated with accelerated decline in forced expiratory …

Asthma is a common chronic disorder which may be increasing in prevalence. However, little
is known of its distribution and determinants. The European Community Respiratory Health …

BACKGROUND: Epidemiologic evidence related to asthma control in patients from the
general population is scanty. OBJECTIVES: We sought to assess asthma control in several …

Background: Few data are available on the asthma burden in the general population. We
evaluated the level and the factors associated with the asthma burden in Europe. Methods: In …

We assessed the association of asthma prevalence in young adults with susceptibility factors
and environmental exposures, taking into account the age at asthma onset. A random …

We assessed the association between occupational exposures and symptoms of chronic
bronchitis and pulmonary ventilatory defects in a general population-based study of five areas …