| http://www.w3.org/ns/prov#value | - There were 25 studies from the USA,41,48,51,52,54???57,59,62???64,67,73,75,76,79,82,83,85???88,104,112 3 from Canada,42,72,80 5 from Australia,40,50,60,61,99 and 1 from New Zealand.44 The remaining studies were conducted in Europe including eight in England and Wales,45,53,69,70,78,89,90,106 six in Ireland,71,84,10
|
