Based on studies from native Hawaiian Drosophila, a model was proposed to explain sexual isolation and mating asymmetry, from which one could potentially infer the 'direction of evolution'. We… (More)
We evaluated the efficiency of polyethylene glycol at low dosage for the treatment of chronic constipation. A prospective, randomized, double blind study was performed in 34 patients (32 female, 2… (More)
Aluminium speciation was studied in aqueous extracts of forest soils in the vicinity of an aluminium smelter in Galicia, NW Spain. Two soil depths (0-10 and 10-20 cm) were sampled within a 3.5 km… (More)