Too far to walk : callibrating distances to maternity health facilities for women delivering in Ghana using GIS.
Conferencer output 14. The estimation of 'cost surface' maps under various assumptions. A model of travel times is applied which is calibrated by survey data on actual durations to delivery facilities reported by women in Ghana. the link gives access to an abstract and presentation slides.
Presented at Global maternal health conference, New Delhi, India, 30 August 2010