Camm E, Buck H W, Mitchell J C
Contact Dermatitis. 1976 Apr;2(2):68-72. doi: 10.1111/j.1600-0536.1976.tb02987.x.
Five individuals developed striate bullous dermatitis two days after exposure on a clear day to Heracleum mantegazzianum, Umbelliferae (Parsnip) family. Photopatch testing confirmed phototoxicity from the plant. This and 28 other Heracleum species yield linear furanocoumarins.
五名个体在晴朗天气接触伞形科（Parsnip）的大叶牛防风两天后出现了条纹状大疱性皮炎。光斑贴试验证实了该植物的光毒性。这种植物以及其他28种牛防风属植物都会产生线性呋喃香豆素。
