For many years, mainland Western Europe has used a mains electricity supply rated at nominally 220VAC 50Hz while the UK used 240VAC 50Hz. In 1994, the European Union state members decided to proceed with a voltage harmonisation at 230Vac. This meant that consumers could be sure that a produc...
The article “How effective and safe is medical cannabis as a treatment of mental disorders? A systematic review”, written by Eva Hoch, was originally published Online First without open access. After publication in volume 269, issue 1, page 87–105 the author decided to opt for Open Choice...