List of Articles Lorazepam Open Access Article Abstract Page Full-Text 1 - Preconcentration of trace amounts of lorazepam in aqueous samples by functionalizing graphene oxide with 2-aminopyridine ali moghimi Milad Abniki Open Access Article Abstract Page Full-Text 2 - Study of protonation equilibrium of lorazepam by potentiometry and multiwavelengths spectrophotometry Ateesa Yazdanipour