Overcoming barriers to recruitment in health research: concerns of potential participants need to be dealt with.
Crombie
Iain K
IK
McMurdo
Marion E T
ME
Irvine
Linda
L
Williams
Brian
B
D000368:Aged / Q000523:psychology*; D000369:Aged, 80 and over; D001294:Attitude to Health; D035843:Biomedical Research; D015444:Exercise / Q000523:psychology*; D006801:Humans; D018579:Patient Selection; D035842:Research Subjects