We describe a 17-year-old cyclist who presented with a biker's nodule which is a painful perineal mass resulting from chronic perineal compression and friction during extensive cycling. The treatment of choice is surgical excision. A review of the literature was made concerning this condition. Health care workers who are involved with sportsmen, es...
Chilean dryland areas of the Mediterranean climate region are characterized by highly degraded and compacted soils, which require the use of conservation tillage systems to mitigate water erosion as well as to improve soil water storage. An oat (Avena sativa L. cv. Supernova-INIA) - wheat (Triticum aestivum L. cv. Pandora-INIA) crop rotation was es...
