Effect of travel distance on household demand for typhoid vaccines: implications for planning가정의 타이푸스 백신 수요에 미치는 여행 거리의 영향: 계획에 대한 함의journal-article Published on 2014-07-012024-07-30 Journal: The International Journal of Health Planning and Management [Category] 살모넬라증, [키워드] developing countries travel distance typhoid vaccinations Vaccination planning Willingness to pay [DOI] 10.1002/hpm.2172 [Article Type] journal-article