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Comparative Professional Pedagogy > 2010 > 82 > 4 > 212-218
Polish Journal of Surgery > 2010 > 82 > 4 > 212-218
Ginekologia Onkologiczna > 2007 > 5 > 4 > 200-207
Comparative Professional Pedagogy > 2010 > 82 > 4 > 212-218
Polish Journal of Surgery > 2010 > 82 > 4 > 212-218
Ginekologia Onkologiczna > 2007 > 5 > 4 > 200-207