Adriamycin (ADR)  Identification of seven biomarkers: trimethylamine oxide (TMAO), taurine, trimethylamine (TMA), hippurate, trigonelline, citrate and 2-oxoglutarate that can predict tumor’s (gastric adenocarcinoma) response to ADR treatment in BALB/c-nu/nu mice.  1H-NOESYPRESAT-1D  [191]