Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="WALSH, J" or (type any "bookEditor issueEditor" and editor="WALSH, J") Add to list Book Chapter Point of collection testing of alternative specimens (other than urine) J WALSH and Alain Verstraete (UGent) (2007) Drug Abuse Handbook. p.898-908 Add to list Journal Article A2 Drugs and driving J WALSH, J DE GIER, A CHRISTOPHERSON and Alain Verstraete (UGent) (2004) Traffic Injury Prevention. 5(3). p.241-253