Barken, F. M. (2011). Out of practice: Fighting for primary care medicine in America. ILR Press.
Chicago-čujuhus (17. p.)Barken, Frederick M. Out of Practice: Fighting for Primary Care Medicine in America. Ithaca: ILR Press, 2011.
MLA-čujuhus (9. p.)Barken, Frederick M. Out of Practice: Fighting for Primary Care Medicine in America. ILR Press, 2011.
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