Piyakorn Poonyam และผู้แต่งคนอื่นๆ. (2016) Complete Recovery from Iron-Induced Esophageal Ulcer While Continuing Pill Ingestion. <i>Siriraj Medical Journal</i>, <i>68</i>(6), 377-380.Piyakorn Poonyam และผู้แต่งคนอื่นๆ. "Complete Recovery from Iron-Induced Esophageal Ulcer While Continuing Pill Ingestion". Siriraj Medical Journal 68 (2016):377-380.Piyakorn Poonyam และผู้แต่งคนอื่นๆ. Complete Recovery from Iron-Induced Esophageal Ulcer While Continuing Pill Ingestion. Faculty of Medicine Siriraj Hospital:ม.ป.ท. 2016.