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.
Ritchie Valens, J.P. 'The Big Bopper' Richardson and Buddy Holly. A deadly plane crash robbed rock and roll of three of its top singers. The Daily Tribune newspaper reports the deaths of Buddy Holly, J. P. The Big Bopper Richardson and Ritchie Valens.