@prefix skos: . @prefix isac: . isac:_asthma_ skos:broader isac:respiratory_effect_ . isac:lung_damage_ skos:broader isac:respiratory_effect_ . isac:_pneumoconiosis_ skos:broader isac:respiratory_effect_ . isac:_eye_ skos:broader isac:respiratory_effect_ . isac:chest_pain_ skos:broader isac:respiratory_effect_ . isac:_inflammation_ skos:broader isac:respiratory_effect_ . skos:broader isac:respiratory_effect_ . isac:irritation_headache_ skos:broader isac:respiratory_effect_ . isac:throat_irritation_ skos:broader isac:respiratory_effect_ .