| Title : Effects of organophosphorus insecticides on Dugesia tigrina: cholinesterase activity and head regeneration - |
| Author(s) : Villar D , Gonzalez M , Gualda MJ , Schaeffer DJ |
| Ref : Bulletin of Environmental Contamination & Toxicology , 52 :319 , 1994 |
| PubMedID: 8123995 |