Transgingival nitrate syncope.
D000368:Aged; D005260:Female; D005881:Gingiva / Q000378:metabolism*; D006801:Humans; D009566:Nitrates / Q000008:administration & dosage / Q000506:poisoning*; D009824:Ointments; D013575:Syncope / Q000139:chemically induced*
D009566:Nitrates; D009824:Ointments