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D16 Peripheral Nervous System Agents D018373 +
D16.050 Autonomic Agents D001337 +
D16.050.100 Bronchoconstrictor Agents D016085
D21 Anti-Allergic and Respiratory System Agents D018944 +
D21.760 Respiratory System Agents D019141 +
D21.760.170 Bronchoconstrictor Agents D016085
D27 Chemical Actions and Uses D020164 +
D27.505 Pharmacologic Actions D020228 +
D27.505.696 Physiological Effects of Drugs D045505 +
D27.505.696.663 Peripheral Nervous System Agents D018373 +
D27.505.696.663.050 Autonomic Agents D001337 +
D27.505.696.663.050.100 Bronchoconstrictor Agents D016085
D27 Chemical Actions and Uses D020164 +
D27.505 Pharmacologic Actions D020228 +
D27.505.954 Therapeutic Uses D045506 +
D27.505.954.033 Anti-Allergic and Respiratory System Agents D018944 +
D27.505.954.033.760 Respiratory System Agents D019141 +
D27.505.954.033.760.170 Bronchoconstrictor Agents D016085