oesophageal reflux: in search of clear evidence-based indications Keady presents some updated guidelines on the drug treatment of gastro-oesophageal reflux (GOR) and gastro-oesophageal reflux disease (GORD). However, in order to provide clear management guidelines, we believe that the review should have first addressed the definition of GOR (ie, physiological) versus GORD (ie, pathological). In...

Root segments of Convolvulus arvensis, the field bindweed, were examined with the electron microscope to make possible a description of the fine structural correlates of lateral root protrusion through cortical parenchyma. Particular attention was directed to the outermost primordium cells, derived by meristematic activity from the endodermis, and to the contiguous cortical parenchyma cells. By...

In the present study, a field study was performed on some herbaceous plants growing in thesoutheast of Ahvaz, where some metal producing industries are active. The aim of this studywas to investigate and compare manganese (Mn) and zinc (Zn) accumulation in seven dominantherbaceous plants in this area. Plant samples were collected randomly. Associated soils weresampled from the same sites next t...