00756nam a22002055 4500 1/16298 991013s1998 enk 000 0 eng d 13602438 16807 DLC GR-PeUP 613 MO Morrison, Gwendolyn C. Inproving the sensitivity of the time trade-off method : results of an experiment using chained tto questions / By G. C> Morrison, A. Neilson and M. Malek Nottingham : CREDIT ; 1998 27 p. : tabl. ; 18 cm. Discussion Papers in Economics ; Health Status Indicators. Medical care. Discussion Papers in Economics ; 22 INST UNIPILB MAIN 20040709 613 MO 00130176 00130176 LOAN 0 1