Problem-based learning in internal medicine: virtual patients or paper-based problems?
2003 ◽
Vol 27
(2)
◽
pp. 62-69
◽
2013 ◽
Vol 88
(11)
◽
pp. 1713-1718
◽
2009 ◽
Vol 18
(9)
◽
pp. 1369-1375
◽
2014 ◽
Vol 16
(11)
◽
pp. e240
◽
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