If an employee originally declines the Hep B vaccinations, they can later choose to ________ the vaccination

X-radiation was discovered when Roentgen was working with a Crookes tube

Indicate whether the statement is true or false

The CAM therapy that uses special machines which produce negatively charged air particles or ions to treat common respiratory disorders is a/an ____

A) hydrotherapy B) ionization therapy C) phytochemical therapy D) aromatherapy