Diagnostic yield of bone marrow aspiration in paediatric primary immune thrombocytopenia: impact of evolution and adherence to medical guidelines over the last 25 years - de Pablo JG; Zubicaray J; Iriondo J; Pérez Maroto F; Azorín D; de la Cruz Benito A; Sanz A; Madero L; González-Vicent M; Sevilla J; Sebastián E (European Journal Of Pediatrics, 2024)