1. Effect of Physical Protection on the Mesothelial Integrity of the Pericardium 
Aquilino Hurlé, MD, Marı́a de la Vega, MD, Juan J Feijóo, MD, Victor G Ray, MD, Cipriano Abad, MD, Gerardo Ponce, MD, José L Pérez-Arellano, MD 
The Annals of Thoracic Surgery 
Volume 63, Issue 4, Pages (April 1997)
DOI: /S (96)

2. Fig. 1
Grades of mesothelial damage. (A) Pericardium showing normal flat mesothelial cells (grade I). (B) Mesothelial integrity but with the presence of cuboidal mesothelial cells (grade II). (C) Absence of mesothelium (grade III). (Hematoxylin and eosin; ×200 before 35% reduction).
The Annals of Thoracic Surgery  , DOI: ( /S (96) )