European Journal of Pediatric Surgery, 31, 525-529 Van Den Bunder, F A I M, Allema, J H, Benninga, M A, De Blaauw, I, Van De Brug, T, Den Dulk, M, Hulscher, J B F, Keyzer-Dekker, C M G, Witvliet, M J, Van Heurn, E L W & Derikx, J P M 2020, ' The Dutch Incidence of Infantile Hypertrophic Pyloric Stenosis and the Influence of Seasons ', European Journal of Pediatric Surgery . https://doi.org/10.1055/s-0040-1721055 European Journal of Pediatric Surgery, 31(06), 525-529. GEORG THIEME VERLAG KG European journal of pediatric surgery, 31(6), 525-529. Thieme Medical Publishers European Journal of Pediatric Surgery, 31, 6, pp. 525-529 European Journal of Pediatric Surgery, 31(06), 525-529. Thieme Medical Publishers European Journal of Pediatric Surgery. Thieme Medical Publishers European Journal of Pediatric Surgery, 31(6), 525-529. Thieme Medical Publishers