Febrile infants of under three months of age without apparent focus: Is it necessary to change the assessment strategy? We tested the step-by-step approach. Arch Pediatr Urug [Internet]. 2022 Oct. 5 [cited 2026 Aug. 30];93(2):e223. Available from: https://adp.sup.org.uy/index.php/adp/article/view/411