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Polish Journal of Surgery > 2011 > 83 > 11 > 627-629
Comparative Professional Pedagogy > 2011 > 83 > 11 > 627-629
Journal of Pediatric Surgery > 2009 > 44 > 6 > e23-e25
Surgery Today > 2005 > 35 > 5 > 418-420
Polish Journal of Surgery > 2011 > 83 > 11 > 627-629
Comparative Professional Pedagogy > 2011 > 83 > 11 > 627-629
Journal of Pediatric Surgery > 2009 > 44 > 6 > e23-e25
Surgery Today > 2005 > 35 > 5 > 418-420