Roehr, B. (2004). Patient group calls for better understanding of drug trials in the US. BMJ Publishing Group Ltd.
Chicago-tyylinen lähdeviittausRoehr, Bob. Patient Group Calls for Better Understanding of Drug Trials in the US. BMJ Publishing Group Ltd, 2004.
MLA-viiteRoehr, Bob. Patient Group Calls for Better Understanding of Drug Trials in the US. BMJ Publishing Group Ltd, 2004.
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