Alparslan, Ö. et al. 2017. The effect of clown model implemented in hospital on the anxiety and depression level of ill children and their mothers. Arts and Health 10/2. http://dx.doi.org/10.1080/17533015.2017.1334679
Auerbach, S. et al., 2016. Positive emotions elicited by clowns and nurses: An experimental study in a hospital setting. Translational Issues in Psychological Science 2/1. http://dx.doi.org/10.1037/tps0000055
Ben-Pazi, H. et al. 2017. Clown care reduces pain in children with cerebral palsy undergoing recurrent botulinum toxin injections- A quasi randomized controlled crossover study. PLoS One 12/4. http://dx.doi.org/10.1371/journal.pone.0175028
Berk, R. 2011. The active ingredients in humor: psychophysiological benefits and risks for older adults. Educational Gerontology 27/3-4.https://www.tandfonline.com/doi/abs/10.1080/036012701750195021 Blain, S. et al. 2012. Determining the effects of therapeutic clowning on nurses in a children's rehabilitation hospital. Arts and Health 2010.https://doi.org/10.1080/17533015.2011.561359
Bertini, M. et.al. 2011. Clowns benefit Children hospitalized for Respiratory Pathologies. Evidence-Based Complementary and Alternative Medicine. dx.doi.org/10.1093%2Fecam%2Fneq064
Dionigi, A. et al. 2014. Clown intervention to reduce preoperative anxiety in children and parents: A randomized controlled trial. Journal of Health Psychology 19/3. http://dx.doi.org/10.1177/1359105312471567
Dunbar, R. et al. 2011. Social laughter is correlated with an elevated pain threshold. Proceedings of the Royal Socienty B 279. https://doi.org/10.1098/rspb.2011.1373
Fry, W. 1992. The physiologic effects of humor, mirth, and laughter. JAMA 267/13. doi.org/10.1001/jama.267.13.1857
Kocherov, S. et.al. 2016. Medical clowns reduce pre-operative anxiety, post-operative pain and medical costs in children undergoing outpatient penile surgery: A randomized controlled trial. Journal of Pediatrics and Child Health 52/9. https://doi.org/10.1111/jpc.13242
Martin, R. 2007. Psychology of humor. An integrative approach. Elsevier Inc. All. https://doi.org/10.1016/B978-0-12-372564-6.X5017-5
Mora-Ripoll, R. 2010. The Therapeutic value of laughter in medicine. Alternative Therapies in Health and Medicine. 2010 16/6.
Mortamet, G. et al. 2017. Parental perceptions of clown care in paediatric intensive care units. Journal of Pediatrics and Child Health 53/5. http://dx.doi.org/10.1111/jpc.13448
Pinquart, M. et al., 2011. Do clown visits improve psychological and sense of physical well-being of hospitalized pediatric patients? A randomized-controlled trial. Klinische Pädiatrie 223/2. https://doi.org/10.1055/s-0030-1267932
Sittenthaler, S. et.al. 2013. Auswirkungen von "Clowns" im Klinikalltag. Eine Evaluationsstudie der ClownDoctors im Salzburger Landeskrankenhaus (LKH). Psychologie in Österreich 3-4. http://www.pioe.at/public/archiv/2013/3&4/PIOe_2013_3_4_Sittenthaler_et_al_Auswirkungen_von_Clowns_im_Klinikalltag.pdf
Tugade, M. et al. 2007. Regulation of positive emotions: Emotion regulation strategies that promote resilience. Journal of Happiness Studies 8. https://link.springer.com/article/10.1007%2Fs10902-006-9015-4
Vagnoli, L. et al. 2005. Clown doctors as a treatment for preoperative anxiety in children: a randomized, prospective study. Pediatrics 116/4. https://doi.org/10.1542/peds.2005-0466
Viaggiano, M. et al. 2015. Impact of Psychological Interventions on Reducing Anxiety, Fear and the Need for Sedation in Children Undergoing Magnetic Resonance Imaging. Pediatric Reports 7. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4387329/pdf/pr-2015-1-5682.pdf
