Dr. Blanche Grube will be returning to Brazil for the third time to teach that countries dentists how to safely remove dental amalgam mercury fillings using the Grube Huggins protocol Dr. Blanche Grube speaking this Friday October 24 at Breast Health World Summit online event Dr. Blanche Grube will be returning to Brazil for the third time to teach that countries dentists how to safely remove dental amalgam mercury fillings using the Grube Huggins protocol Dr. Blanche Grube speaking this Friday October 24 at Breast Health World Summit online event