1. Use of a thiophospholine quarternary compound (217-MI) in treatment of glaucoma;Leopold;Arch. Ophth.,1957
2. The tonographic effects of echothiophate (Phospholine) iodide;Becker;Am. J. Ophth.,1959
3. Ocular cholinesterase and cholinesterase inhibitors. The Friedenwald Memorial Lecture;Leopold;Am. J. Ophth.,1961
4. Cholinergic and anticholinesterase agents in glaucoma therapy;Leopold;Tr. Pacific Coast Oto-Ophth. Soc.,1956
5. Reaction of acetylcholine and other carboxylic acid derivatives with hydroxylamine and its analytical application;Hestrin;J. Biol. Chem.,1949