the protective effect on bronchospasm , induced by carbachol , of 2 puffs of fenoterol ( 200 micrograms ) , ipratropium bromide ( 80 micrograms ) and duovent ( 200 micrograms fenoterol + 80 micrograms ipratropium bromide ) was compared in a group of 12 asthmatic patients .
C0006266
bronchospasm
C0700580
ipratropium bromide