1. A new recording tonometer. Trans Ophthalmol Soc UK;Perkins, E.S.; Edwards, J.; Saxena, R.C.,1977
2. The ocular pulse. Curr Eye Res;Perkins, E.S.,1981
3. Ocular pulse in high myopia;To'mey, K.F.; Faris, B.M.; Jalkh, A.E.;Ann Ophthalmol,1981
4. The ocular pulse in low tension glaucoma;Perkins, E.S.; Phelps, C.D.;Klin Monatsbl Augenklkd,1984
5. Carotid artery flow testing;Bienfang, D.C.,1980