APA-čujuhus (7. p.)
Halpern, S. A. (2004). Lesser harms: The morality of risk in medical research. University of Chicago Press.
Chicago-čujuhus (17. p.)
Halpern, Sydney A. Lesser Harms: The Morality of Risk in Medical Research. Chicago: University of Chicago Press, 2004.
MLA-čujuhus (9. p.)
Halpern, Sydney A. Lesser Harms: The Morality of Risk in Medical Research. University of Chicago Press, 2004.
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