title: [Pain free versus painful gastroscopy].
authors.forename: Birgitta
authors.initials: B
authors.lastname: Lagercrantz
mesh_terms: D005773:Gastroscopy / Q000009:adverse effects* / Q000592:standards; D006801:Humans; D007564:Japan; D010149:Postoperative Pain / Q000209:etiology*; D013548:Sweden