Klerk, B.M. de

study osteoarthritis women knee pain classi fication criteria criteria association evidence complaint grade population hormone knee osteoarthritis knee complaints knee oa score baseline classi estrogen fication bianca factor radiological 03-11-11 chapter rheum menopause replacement review development determinant risk factors article knee roa aspect follow-up symptom description exogenous hormone use arthritis cartilage result outcome incidence oestrogen cohort disease menopausal analysis alternative effect quality therapy table x-ray status prevalence relation subject rotterdam radiographic reference health study population incident month hormone replacement therapy kl grade 1 rotterdam study incident knee pain change presence assessment postmenopausal ovariectomy research group body mass index level female