TY - GEN AU - Alexanderson,Helene AU - Reed,Ann M AU - Ytterberg,Steven R TI - The Myositis Activities Profile -- initial validation for assessment of polymyositis/dermatomyositis in the USA SN - 1499-2752 PY - 2013///0702 KW - Activities of Daily Living KW - Adult KW - Aged KW - Dermatomyositis KW - diagnosis KW - Female KW - Humans KW - Male KW - Middle Aged KW - Outcome Assessment, Health Care KW - Pain Measurement KW - Polymyositis KW - Reproducibility of Results KW - Severity of Illness Index KW - Sickness Impact Profile KW - Surveys and Questionnaires KW - United States KW - epidemiology N1 - Publication Type: Evaluation Study; Journal Article UR - https://doi.org/10.3899/jrheum.120504 ER -