1. Rhipicephalus on the lid margin;Ittyerah, T.P.; Fernandez, S.T.;Indian J Ophthalmol,1977
2. Dermacentor variabilis. Uncomplicated eyelid involvement;Terry, J.E.; Williams, R.E.;Arch Ophthalmol,1980
3. Spinose ear tick, Otobius megnini, attached to the conjunctiva of a child's eye;Jensen, A.L.; Snow, L.R.; Clifford, C.M.;J Parasitol,1982
4. British ticks;Arthur, DR
5. British ticks;Arthur, DR