Allergic contact dermatitis to hydrangea.
D015107:4-Butyrolactone / Q000009:adverse effects / Q000031:analogs & derivatives; D003877:Dermatitis, Contact / Q000209:etiology*; D009783:Dermatitis, Occupational / Q000209:etiology*; D006229:Hand Dermatoses / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010944:Plants
C014096:alpha-methylene gamma-butyrolactone; D015107:4-Butyrolactone