Citation: J. Schaafsma et P. Coy, THE EFFECT OF RADIOTHERAPY ON THE SURVIVAL OF NONSMALL CELL LUNG-CANCER PATIENTS, International journal of radiation oncology, biology, physics, 41(2), 1998, pp. 291-298
Citation: J. Schaafsma et D. Osoba, THE KARNOFSKY PERFORMANCE STATUS SCALE REEXAMINED - A CROSS-VALIDATION WITH THE EORTC-C30, Quality of life research, 3(6), 1994, pp. 413-424
Citation: J. Schaafsma, A NEW TEST FOR SUPPLIER-INDUCEMENT AND APPLICATION TO THE CANADIAN MARKET FOR DENTAL-CARE, Journal of health economics, 13(4), 1994, pp. 407-431