Perenc, Lidia, Anna Radochońska, and Joanna Błajda. 2017. “Changeableness of Selected Characteristics of the Head in the Rzeszów Children and Adolescents Aged 4 to 18 in During a 35-Year Period”. European Journal of Clinical and Experimental Medicine 15 (3):217–232. https://doi.org/10.15584/ejcem.2017.3.5.