title: Bronchial responsiveness in children.
mesh_terms: D001249:Asthma / Q000209:etiology* / Q000276:immunology; D001980:Bronchi / Q000502:physiology*; D001985:Bronchial Provocation Tests; D002648:Child; D002940:Circadian Rhythm; D005080:Exercise Test; D006632:Histamine / Q000009:adverse effects; D006801:Humans; D007073:Immunoglobulin E / Q000276:immunology; D008407:Mast Cells / Q000276:immunology; D008688:Methacholine Compounds / Q000009:adverse effects; D009129:Muscle Tonus; D009130:Muscle, Smooth / Q000502:physiology; D011984:Sensory Receptor Cells; D012907:Smoking
chemical_list: D008688:Methacholine Compounds; D007073:Immunoglobulin E; D006632:Histamine