00458nas a2200169   4500000000100000000000100001008004100002100001400043700001400057700001600071700001500087700001300102245013900115300001200254490000800266022001400274       2017                            d1 aS. Collin1 aI. Bakken1 aI. Nazareth1 aE. Crawley1 aP. White00aTrends in the incidence of chronic fatigue syndrome and fibromyalgia in the UK, 2001-2013: a Clinical Practice Research Datalink study  a231-2440 v110  a0141-0768