Analysis of selected anthropometric parameters in infants in relation to the risk of developing hip dysplasia - Szwed, Aleksander; Ciechanowicz, Dawid; Modliborski, Piotr; Zacha, Sławomir; Kotrych, Daniel; Kruk, Bartosz; Kamiński, Adam (Pediatria Polska - Polish Journal of Paediatrics, 2021)