Many falsely claimed that quinine was toxic and ineffective , but Ramazzini recognized its importance .
In regards to malaria , Ramazzini was one of the first to support the use of the quinine - rich bark cinchona .
Many falsely claimed that quinine was toxic and ineffective , but one recognized its importance .
In regards to malaria , Ramazzini was one of the first to support the use of the quinine - rich bark cinchona .