TY - GEN AU - Boyce,Malcolm AU - Walther,Mavi AU - Nentwich,Hilke AU - Kirk,John AU - Smith,Stephen AU - Warrington,Steve TI - TOPS: an internet-based system to prevent healthy subjects from over-volunteering for clinical trials SN - 1432-1041 PY - 2013///0801 KW - Biomedical Research KW - organization & administration KW - Clinical Trials as Topic KW - standards KW - Humans KW - Internet KW - Nontherapeutic Human Experimentation KW - Research Subjects N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1007/s00228-012-1351-1 ER -