Journal article (2003) - CC Pain (author) , MD Eaton (author) , THJJ van der Hagen (author) , Danny Lathouwers (author) , JLMA Gomes (author) , CRE de Oliveira (author) , AP Umpleby (author) , K Ziver (author) , RT Ackroyd (author) , B Miles (author) , AJH Goddard (author) , H. van Dam (author)