Monitoring the Conjunctiva for Carbon Dioxide and Oxygen Tensions and pH During Cardiopulmonary BypassIrwin K. Weiss, Sherwin J. Isenberg, David L. McArthur, Madeline Del Signore and John S. McDonaldJ Extra Corpor Technol, 43 1 (2011) 13-18DOI: https://doi.org/10.1051/ject/201143013