Serum metabolic disturbances associated with acute-on-chronic liver failure in patients with underlying alcoholic liver diseases: An elaborative NMR-based metabolomics study oleh Umesh Kumar, Supriya Sharma, Manjunath Durgappa, Nikhil Gupta, Ritu Raj, Alok Kumar, Prabhat N Sharma, V P Krishna, R Venkatesh Kumar, Anupam Guleria, Vivek A Saraswat, Gaurav Pande, Dinesh Kumar