Patient-reported outcome measures for acne: a mixed-methods validation study (acne PROMs)
Samantha Hornsey, Beth Stuart, Ingrid Muller, Alison M Layton, Leanne Morrison, Jamie King, Karen Thomas, Paul Little, Miriam Santer
BMJ Open Mar 2021, 11 (3) e034047; DOI: 10.1136/bmjopen-2019-034047