TY - JOUR T1 - Propensity score and instrumental variable techniques in observational transplantation studies: an overview and worked example relating to pre-transplant cardiac screening JO - Transplant International PY - 2022/06/27 AU - Nimmo A AU - Latimer N AU - Oniscu GC AU - Ravanan R AU - Taylor DM AU - Fotheringham J ED - DO - DOI: 10.3389/ti.2022.10105 PB - Wiley VL - 35 Y2 - 2025/11/04 ER -