TY - GEN AU - Sarfo,A AU - Butt,M AU - Kirby,J S TI - Periodic worsening, or flare, in hidradenitis suppurativa: the perspective of people with hidradenitis SN - 1365-2133 PY - 2021///0514 KW - Hidradenitis KW - Hidradenitis Suppurativa KW - Humans N1 - Publication Type: Letter; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1111/bjd.18210 ER -