â¤0.2 mg/dL. Measurement of the levels of bilirubin is used in the diagnosis and treatment of liver, hemolytic, hematologic, and metabolic disorders, including hepatitis and gall bladder obstruction. The assessment of direct bilirubin is helpful in the differentiation of hepatic disorders.
Ritchie Valens. In an all too brief career, Ritchie Valens was the first Chicano rock and roll star, having his best remembered hit, La Bamba, just one month before his untimely death with Buddy Holly and the Big Bopper on February 3, 1959.
He was hurt to find out that the man he thought was his father was only his brother's. And he was jealous of his brother's success. In less than a year, Ritchie Valens went from ordinary teen to famous entertainer, touring with the likes of Buddy Holly and the Big Bopper.e was hurt to find out that the man he thought was his father was only his brother's. And he was jealous of his brother's success. In less than a year, Ritchie Valens went from ordinary teen to famous entertainer, touring with the likes of Buddy Holly and the Big Bopper.