B. Pollock et Sm. Wilkinson, Photopatch test method: influence of type of irradiation and value of day-7 reading, CONTACT DER, 44(5), 2001, pp. 270-272
118 consecutive patients were photopatch tested with 5J UVA and 10mJ UVB. I
n addition, day 7 readings were taken. Testing with UVB and performing late
readings conferred no advantage. The current recommendations of the Britis
h Photodermatology Group regarding photopatch testing remain the most recen
t guide to photopatch test methodology.