title：Willingness to pay for antihypertensive therapy — results of a Swedish pilot study
作者：Magnus Johannesson, Bengt Jönsson, Lars Borgquist
来源：
Journal of Health Economics
Volume 10, Issue 4, 1991, Pages 461-473
链接：http://www.sciencedirect.com/science/article/pii/016762969190025I

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title：
Willingness to pay for antihypertensive therapy — further results
作者：Magnus Johannesson , Per-Olov Johansson, Bengt Kriström, Ulf-G. Gerdtham
来源：Journal of Health Economics
Volume 12, Issue 1, April 1993, Pages 95-108
链接：http://www.sciencedirect.com/science/article/pii/016762969390042D

先谢谢好心的大侠们了！