Jakkrapong Limpanussorn. 1991. Subchronic toxicity of new topical antiinflamatory drug from phlai oil (plygesal) in rabbits. Bangkok:Thailand Institute of Scientific and Technological Research;
Jakkrapong Limpanussorn. (1991) Subchronic toxicity of new topical antiinflamatory drug from phlai oil (plygesal) in rabbits (รายงานผลงานวิจัย). Thailand Institute of Scientific and Technological Research:Bangkok.
Jakkrapong Limpanussorn. Subchronic toxicity of new topical antiinflamatory drug from phlai oil (plygesal) in rabbits. Bangkok:Thailand Institute of Scientific and Technological Research, 1991.
Jakkrapong Limpanussorn. (1991) Subchronic toxicity of new topical antiinflamatory drug from phlai oil (plygesal) in rabbits (รายงานผลงานวิจัย). Thailand Institute of Scientific and Technological Research:Bangkok.