摘要: Objective Millions of low‐income Americans will gain health insurance through Medicaid under the Affordable Care Act. This study assesses the impact of previous Medicaid …
Federico Belotti, Partha Deb, Willard G Manning, C Norton, Edward, Twopm: Two-Part ModelsThe Stata Journal: Promoting communications on statistics and Stata. ,vol. 15, pp. 3- 20 ,(2015) , 10.1177/1536867X1501500102