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R RESPIRATORY SYSTEMR06 ANTIHISTAMINES FOR SYSTEMIC USE
R06A ANTIHISTAMINES FOR SYSTEMIC USE
R06AA Aminoalkyl ethers
R06AB Substituted alkylamines
R06AC Substituted ethylene diamines
R06AD Phenothiazine derivatives
R06AE Piperazine derivatives
R06AK Combinations of antihistamines
R06AX Other antihistamines for systemic use
Last updated: 2024-01-26