机译:Recruitment and characteristics of participants in trials of physical activity for adults aged 45 years and above in general practice: a systematic review
University of Limerick,Univ Limerick;
Sch Publ Hlth Physiotherapy & Sports Sci,Univ Coll Dublin;
exercise; general practice; physical activity; randomized control trials; recruitment; systematic review; PRIMARY-CARE; CARDIOVASCULAR RISK; OLDER-PEOPLE; EXERCISE; INTERVENTIONS; FITNESS; ADVICE; REACH; BIAS;