{Reference Type}: Case Reports {Title}: Modified Valsalva manoeuvre in paroxysmal supraventricular tachycardia: Case series. {Author}: Yáñez Mesía S;Gómez Barrena V;Salamanca Zarzuela B;Garralda Torres I;Benitez Gómez I; {Journal}: An Pediatr (Engl Ed) {Volume}: 99 {Issue}: 2 {Year}: 2023 08 暂无{DOI}: 10.1016/j.anpede.2023.04.013