- Cian referrals. Physician referrals are one of the most important factors http://www.mobilefud.com/story.php?title=cian-referrals-physician-referrals-are-one-of-the-most-important-factors Cian referrals. Physician referrals are one of the most important factors for the patient to receive an early cancer detection [17]. A possible reason for a physician delay (mainly PCP's) in providing a referral, for either a diagnostic test or a specialist assessment, may be related to the physician's knowledge of the required colorectal cancer screening and their capacity to detect colorectal ca Wed, 06 Dec 2017 16:49:45 PST en