He continued his academic education at the University of Puerto Rico School of Medicine and , in 1971 , he earned his Medical degree in pediatrics .
In 1967 , Rivera earned his Bachelor 's degree in biology .
Rivera continued Rivera 's academic education at the University of Puerto Rico School of Medicine and , in 1971 , he earned his Medical degree in pediatrics .
In 1967 , Rivera earned his Bachelor 's degree in biology .