title: Ipratropium bromide: physical properties.
authors.affiliation: Department of Pharmaceutical Chemistry College of Pharmacy King Saud University P.O. Box 2457 Riyadh - 11451 Kingdom of Saudi Arabia.
authors.forename: Heba
authors.initials: H
authors.lastname: H Abdine F Belal
authors.forename: Abdullah
authors.initials: A
authors.lastname: A Al-Badr