Subject(s)

Acupuncture Therapy/adverse effects , Argyria/etiology , Facial Dermatoses/etiology , Needles/adverse effects , Acupuncture Therapy/instrumentation , Adult , Argyria/diagnosis , Argyria/pathology , Facial Dermatoses/diagnosis , Facial Dermatoses/pathology , Female , Humans , Microscopy, Electron, Scanning