TY - JOUR T1 - Sample size calculation in economic evaluations. JO - Health Econ PY - 1998/06/01 AU - Al MJ AU - van Hout BA AU - Michel BC AU - Rutten FF ED - DO - DOI: 10.1002/(sici)1099-1050(199806)7:4<327::aid-hec342 VL - 7 IS - 4 SP - 327 EP - 335 Y2 - 2024/12/22 ER -