Original sentence: A list of commonly encountered chemicals which precipitate symptoms of MCS.Insect repellent.MCS has been rejected as an established organic disease by the American Academy of Allergy, Asthma, and Immunology, the American Medical Association, the California Medical Association, the American College of Physicians, and the International Society of Regulatory Toxicology and Pharmacology
Edited sentence: A list of commonly encoutered chemicals which precipitate symptoms of MCS.Insect repellant.MCS has been rejected as an established organic disease by the American Academy of Allergy and Immunology, the American Medical Association, the California Medical Association, the American College of Physicians, and the International Society of Regulatory Toxicology and Pharmacology