1. Plants used against cancer. A survey. Lloydia 1969; 32: 153. Although few cases of Euphorbia sap anterior segment toxicity have been reported, the litera-;Hartwell, J.L.
2. Keratoconjunctivitis resulting from the sap of candelebra cactus and the pencil tree;Crowder, J.I.; Sexton, R.R.;Arch Ophthalmol,1964
3. Rossler G. Keratoconjunctivitis Euphorbiae. Kin Monatsbl Augenheilkd 1985;186:380-1.
4. Bindehautund Hornhautentzundung durch Saft der Euphorbia Helioscopa (Wolfsmilch);Guggenheim, I.;Klin MonatsblAugenheilkd
5. Euphorbia peplus latex keratoconjunctivitis;Biedner, B.Z.; Sachs, U.; Witztum, A.,1981