Tolerance to organic nitrates.
D000279:Administration, Cutaneous; D000284:Administration, Oral; D004361:Drug Tolerance; D006801:Humans; D007262:Infusions, Intravenous; D009566:Nitrates / Q000008:administration & dosage* / Q000378:metabolism; D009824:Ointments; D013997:Time Factors
D009566:Nitrates; D009824:Ointments