The Jesuit brother Agostino Salumbrino ( 1561 – 1642 ), an apothecary by training who lived in Lima, observed the Quechua using the bark of the cinchona tree for that purpose.

The Jesuit Brother Agostino Salumbrino ( 1561 – 1642 ), an apothecary by training and who lived in Lima, observed the Quechua using the quinine-containing bark of the cinchona tree for that purpose.

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