title: H2-receptor antagonists and gastric cancer.
mesh_terms: D000818:Animals; D005766:Gastrointestinal Contents / Q000032:analysis; D006635:Histamine H2 Antagonists / Q000009:adverse effects* / Q000378:metabolism; D006801:Humans; D009566:Nitrates / Q000378:metabolism; D009573:Nitrites / Q000378:metabolism; D009603:Nitroso Compounds / Q000378:metabolism; D013270:Stomach / Q000382:microbiology; D013274:Stomach Neoplasms / Q000139:chemically induced*
chemical_list: D006635:Histamine H2 Antagonists; D009566:Nitrates; D009573:Nitrites; D009603:Nitroso Compounds