TC-Nkongsamba Provincial Hospital 20080417 Course Sterilization Users Matachana: A clearly white area in the test sheet: a failed cycle Published 15 April 2016 at 1434 × 1075 in TC-Nkongsamba Provincial Hospital 20080417 Course Sterilization Users Matachana: A clearly white area in the test sheet: a failed cycle ← Previous Next → Cameroon-Nkongsamba Provincial Hospital 20080417 Course Sterilization Users Matachana: A clearly white area in the test sheet: a failed cycle.