| Description | Includes published study and related correspondence for 'An economic appraisal of prophylactic measures against malaria, hepatitis A and typhoid in travellers'(1994) and some planning material regarding a second study on 'Willingness to Pay: a study to evaluate traveller's value of health interventions'(1995). Both studies we in collaboration with UCH Hospital for Tropical Diseases. There is also Roberts' correspondence regarding reviewing articles on the same subject, and a chapter from 'Travellers' Vaccines': 'Vaccine Health Economics: Approach to cost-benefit analysis by Roberts and Punam Mangtani (2004) |