blic health insurance option References 1. "Annual Report 2017 on SEC Filing Form 10-K" (http://pMccorporate-irmat /Extemal.File?item=UGF ZW50SUO9N 5MDUMENoa1PhdtSUQ9Mzk5Mzk4fFR5cGU9M0==84=1). 2018-02-23. Retrieved 2018-03-10. Aetna Inc. 2. "Aetna Facts" (https://vnmaetna.cornrabouhusiaetna-facts-and-subsidiadesharatna-facts.html). Aetn