TY - CONF T1 - DEPICTING PATIENT-REPORTED OUTCOME MEASURES WITHIN DIRECTED ACYCLIC GRAPHS: PRACTICE AND IMPLICATIONS FOR CAUSAL REASONING JO - VALUE IN HEALTH PY - 2024/01/01 AU - Franklin M AU - Peasgood T AU - Tennant PWG ED - VL - 27 IS - 12 Y2 - 2025/06/23 ER -