Pilleri, Annarita, and Giampaolo Scorcu. “New Assessment for Advanced Age: Italian Study Protocol on the Assessment of Surgical Risk in the over-75-Year Age-Group”. Monaldi Archives for Chest Disease 87, no. 2 (July 18, 2017). Accessed November 22, 2024. https://www.monaldi-archives.org/macd/article/view/850.