TY - GEN AU - Staunton,Hannah AU - Willgoss,Tom AU - Nelsen,Linda AU - Burbridge,Claire AU - Sully,Kate AU - Rofail,Diana AU - Arbuckle,Rob TI - An overview of using qualitative techniques to explore and define estimates of clinically important change on clinical outcome assessments SN - 2509-8020 PY - 2019/// PB - Journal of patient-reported outcomes N1 - Publication Type: Letter UR - https://doi.org/10.1186/s41687-019-0100-y ER -