The purpose of this study was to evaluate the prevalence and type of lung function disorders in Danish farmers. Three samples of farmers were drawn from a group of unselected farmers who had participated in an epidemiological study. Group I (47 persons) was a sample of the 8% of all farmers who had reported that they had asthma; group II (63 persons) was a sample of the 28% of farmers who had h...

A symptomless 42 year old man with a smoking history of 40 pack-years presented with a solitary pulmonary nodule highly suggestive of lung cancer. Wedge resection proved it to be an eosinophilic granuloma. No other localizations of eosinophilic granuloma were found, and none developed during a 3 yr follow-up.

the internal infections of erwinia amylovora have important roles for disease beginning in the spring and dissemination of inoculum through infected vegetative planting material and nursery trees. in this study, we survey internal infection of erwinia amylovora in symptomless commercial apple cultivars in karaj and damavand cities, using optimized diagnostic methods such as plating on semi sele...

BACKGROUND The true frequency of deep-vein thrombosis (DVT) during long-haul air travel is unknown. We sought to determine the frequency of DVT in the lower limb during long-haul economy-class air travel and the efficacy of graduated elastic compression stockings in its prevention. METHODS We recruited 89 male and 142 female passengers over 50 years of age with no history of thromboembolic pr...