TITLE: Letter to the Editor: Association between time to therapeutic INR and length of stay following mechanical heart valve surgeryARTICLE TYPE: letter to the editor

TITLE: Letter to the Editor: The choice of palliative arterial switch operation as an alternative for selected cases in a single center: Experience and midterm resultsARTICLE TYPE: letter to the editorCORRESPONDENCE: 1 . Arun KumarContact: +92 331 3856579 Email: Arunchawla@rocketmail.comInstitute: Ghulam Muhammad Mahar Medical College, SukkurAddress: Flat No 108 Columbus Tower Teen Talwar Karachi