HUGHES, R. (2013). GPST Stage 3: Written and simulation exercises. JP Medical Publishers.
Chicago-referens (17:e uppl.)HUGHES, Richard. GPST Stage 3: Written and Simulation Exercises. JP Medical Publishers, 2013.
MLA-referens (9:e uppl.)HUGHES, Richard. GPST Stage 3: Written and Simulation Exercises. JP Medical Publishers, 2013.
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