Histological aspect of Left Atrial Appendage (LAA) with special stain- PAS (Periodic Acid Schiff). International Journal of Biomedical and Advance Research, [S. l.], v. 11, n. 10, p. e5518, 2020. Disponível em: https://ssjournals.co.in/index.php/ijbar/article/view/5518. Acesso em: 7 jan. 2026.