"a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs"@en-us . "0"^^ . "0"^^ . . . . "02905612-n"^^ . . "102802248"@en-us . "a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs"@en-us . . . . . . . . "bronchodilator"@en-us . . . . "102905612"^^ . . . . "bronchodilator"^^ .