What was by the preponderance of suspicion based on an indication or experience, even if it was from someone other than the patient at the time of the disease's onset, or by the report of a skilled, concealed Muslim physician: that is, one whose condition is unknown and has not shown corruption or justice, see: Al-Badai 2: 97, Al-Fath Al-Qadeer 2: 253, and Rad Al-Muhtar 2: 421.