THE URINARY/FECAL COPROPORPHYRIN RATIO IN LIVER DISEASE

^{Department of Surgery, New York Post-Graduate Medical School and Hospital, Columbia University, New York}

^{Department of Medicine, New York Post-Graduate Medical School and Hospital, Columbia University, New York}

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^{Department of Surgery, New York Post-Graduate Medical School and Hospital, Columbia University, New York}

^{Department of Medicine, New York Post-Graduate Medical School and Hospital, Columbia University, New York}

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^{Department of Surgery, New York Post-Graduate Medical School and Hospital, Columbia University, New York}

^{Department of Medicine, New York Post-Graduate Medical School and Hospital, Columbia University, New York}

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