TY - BOOK ID - 134054582 TI - Horizon scan : to what extent do changes in third-party payment affect clinical trials and the evidence base? PY - 2009 PB - Rockville, Maryland : Agency for Healthcare Research and Quality (US), DB - UniCat KW - Evidence-based medicine. KW - Health policy. UR - https://www.unicat.be/uniCat?func=search&query=sysid:134054582 AB - ER -