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Polish Journal of Surgery > 2019 > 91(4) > 9-12
Polish Journal of Surgery > 2011 > 83 > 10 > 531-536
Comparative Professional Pedagogy > 2011 > 83 > 10 > 531-536
Polish Journal of Surgery > 2019 > 91(4) > 9-12
Polish Journal of Surgery > 2011 > 83 > 10 > 531-536
Comparative Professional Pedagogy > 2011 > 83 > 10 > 531-536