Letter to the Editor regarding “Effectiveness of preoperative breathing exercise interventions in patients undergoing cardiac surgery: a systematic review” Margarida Rodrigues, Inês Machado Vaz

Effectiveness of preoperative breathing exercise interventions in patients undergoing cardiac surgery: A systematic review Soraia Nicola Rodrigues, Helga Rafael Henriques, Maria Adriana Henriques

Response to the letter from Rodrigues M and Vaz IM regarding the article “Effectiveness of a preoperative breathing exercise intervention in patients undergoing cardiac surgery: a systematic review” Soraia Nicola Rodrigues, Helga Rafael Henriques, Maria Adriana Henriques