QS - Quinacrine Sterilization - Non-Surgical Sterilization for Women. , ,The drwhitney.com web site is maintained by Randall B. Whitney, M.D. to provide information about Quinacrine Sterilization, or QS. Quinacrine Sterilization is a permanent form of birth control. Dr.Whitney and the Family Planning Center. are located in Volusia County, Florida. Outpatient procedure for female sterilization and birth control.