VIBHOOTI , P. .; RAJAN G; BISHT , S.; PREETI, K. . PREPARATION AND COMPARATIVE CHARACTERIZATION OF DRUG RELEASE FROM TWO DIFFERENT CHRONOTHERAPEUTIC DRUG DELIVERY SYSTEMS OF SALBUTOMOL FOR NOCTURNAL ASTHMA. International Journal of Research and Development in Pharmacy & Life Sciences, v. 3, n. 1, p. 762-772, 15 Jan. 2013.