The mean time to onset of a 12% increase in FEV1 for PROVENTIL HFA Inhalation Aerosol was 7 minutes and the mean time to peak effect was approximately 50 minutes. The mean duration of effect as measured by a 12% increase in FEV1 was 2.3 hours. In some pediatric patients, duration of effect was as long as 6 hours.
The Aztecs, who probably originated as a nomadic tribe in northern Mexico, arrived in Mesoamerica around the beginning of the 13th century.
Mexicali is known mainly as a business and industry town, but has an excellent reputation for hospitality and tourism in the country. Mexicali is known as the city that captured the sun. Its residents frequently joke regarding its extreme heat during the summer, reaching record desert temperatures. Mexicali's primary newspapers are La Voz de la Frontera and La Cronica de Baja California.