title: ECG ink as a cause of asthma.
mesh_terms: D001249:Asthma / Q000175:diagnosis / Q000209:etiology*; D001985:Bronchial Provocation Tests; D004396:Coloring Agents / Q000009:adverse effects; D004562:Electrocardiography / Q000009:adverse effects*; D005260:Female; D006801:Humans; D007281:Ink; D010366:Peak Expiratory Flow Rate
chemical_list: D004396:Coloring Agents