OAKLAND, Calif. (AP) — After battling for more than four years to keep a comatose daughter declared brain dead from being issued a California death certificate, Nailah Winkfield forcefully told mourners at her daughter's funeral service Friday to stop letting doctors "pull the plug on your people."

The San Francisco Bay Area congregation gave Winkfield a standing ovation for fighting to keep her daughter on life support and taking on the medical establishment in the brain death debate between science and religion.

A California coroner issued a death certificate in January 2014 for the then-13-...