Woods lamp used in diagnosis of
Pityriasis versicolor- golden yellow fluorescence tinea capitis grey patch type - greenish yellow fluorescnece porphyria- reddish fluorescence of urine and teeth erythrasma - coral red fluorescence pseudomonas - greenish fluorescence iadvl textbook of dermatology page 94
Pityriasis versicolor
Vitiligo
Porphyria
All of the above
miscellaneous