1. Systemic effects of eye drops;Adler;Arch Intern Med,1982
2. Armour D: Dropper plug. US Patent 2 987 223, 1961
3. Interactions matières plastiques—medicaments;Arnaud,1986
4. Cost of beta-adrenergic receptor blocking agents for ocular hypertension;Ball;Arch Ophthalmol,1992
5. Scientifically speaking. Addressing the therapeutic needs of the elderly;Barbeau;Control Rel Newsl,1997