Recruitment issues: errors of omission in dental research.
Weinstein
P
P
Milgrom
P
P
Sanghvi
H
H
D006801:Humans; D009316:National Institutes of Health (U.S.); D018579:Patient Selection; D010510:Periodontal Diseases / Q000628:therapy*; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D014481:United States