Recruiting for arthritis studies in hard-to-reach populations: a comparison of methods used in an urban Spanish-speaking community.
Nacif de Brey
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Stanford Patient Education Research Center, Stanford University School of Medicine, Palo Alto, California, USA.
González
V M
VM
D000368:Aged; D000369:Aged, 80 and over; D001168:Arthritis / Q000628:therapy*; D002986:Clinical Trials as Topic / Q000379:methods*; D005260:Female; D006630:Hispanic or Latino; D006801:Humans; D008297:Male; D008875:Middle Aged; D018579:Patient Selection; D014505:Urban Population