Zirk-Sadowski J, 2013, 'Seeing what is going on in the data set, and obtaining appropriate confidence intervals with difficult distributions.', in Seeing what is going on in the data set, and obtaining appropriate confidence intervals with difficult distributions., 18th meeting: Days of Pediatric Otolaryngology, Medical University of Lodz, Poland, presented at 18th meeting: Days of Pediatric Otolaryngology, Medical University of Lodz, Poland, 23 - 25 May 2013