http://books.google.fr/books?hl=fr&lr=&id=ruCrBwAAQBAJ&oi=fnd&pg=PA306&dq=european+journal+of+pain&ots=J7FhS1vnNj&sig=gDvRxodBjhxs1ylep4Nl1BFV6Yg#v=onepage&q=european%20journal%20of%20pain&f=false