Smyth, Bobby P and McMahon, Julie and O'Connor, JJ and Ryan, Jim (1999) Knowledge regarding Hepatitis C among injecting drug users. Drugs: Education, Prevention and Policy, 6, (2), pp. 257-264.

Smyth, Bobby P and McMahon, Julie and O'Connor, JJ and Ryan, Jim (1999) The use of primary care services by opiate-dependant injecting drug users in the era of 'shared care'. European Journal of General Practice, 5, pp. 143-148.

Smyth, Bobby P and O'Connor, John J and McMahon, Julie and Ryan, Jim (2000) HCV Screening. Irish Medical Journal, 93, (5), pp. 154-5.