Maintaining informed consent validity during lengthy research protocols.
Prentice
Kristen J
KJ
University of Maryland School of Medicine, USA.
Appelbaum
Paul S
PS
Conley
Robert R
RR
Carpenter
William T
WT
D000328:Adult; D035843:Biomedical Research / Q000458:organization & administration* / Q000592:standards; D002985:Clinical Protocols / Q000592:standards*; D028744:Ethics Committees, Research; D005260:Female; D006801:Humans; D007258:Informed Consent / Q000592:standards*; D008297:Male; D015203:Reproducibility of Results; D013997:Time Factors; D014481:United States