Web-Appendix 1 WEB-APPENDIX for “ Comparison of Statistical Approaches Dealing with Immortal Time Bias in Drug Effectiveness Studies ”Mohammad Ehsanul Karim,Paul Gustafson,John Petkau,Helen Tremlettsemanticscholar(2016)引用 0|浏览0暂无评分AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要