1. Christophers E, Mrowietz U. Psoriasis. In: Freedberg IM, Eisen AZ, Wolff K, Austen KF, Goldsmith LA, Katz SI, editors. Fitzpatrick’s dermatology in general medicine. 6th ed. New York: Mc-Graw Hill; 2003. p. 407-27. 2. Runne U, Kroneisen-Wiersma P. Psoriatic alopecia: Acute and chronic hair loss in 47 patients with scalp psoriasis. Dermatology 1992;185:82-7. 3. Shuster S. Psoriatic alopecia. ...

Responses of the circadian locomotor rhythm to a single light pulse were examined in a diurnal rodent, Asian chipmunk, by exposing it to a 1-h light pulse of 2,000 lx under constant conditions. A light pulse given at the beginning and end of the subjective night produced a phase delay and advance shifts, respectively. When pulsed around the midpoint of the subjective night, the circadian rhythm...

larger face mask to rule out reduced contact with the cheeks—is an interesting one. We would like to see a demonstration of the effectiveness of this proposed technique in reducing air leaks. Why not share our interest in this topic by conducting a multicenter trial? We also thank Roth for his comments. Based on his experience, he reports that, in some patients, lower lip face mask placement wi...

larger face mask to rule out reduced contact with the cheeks—is an interesting one. We would like to see a demonstration of the effectiveness of this proposed technique in reducing air leaks. Why not share our interest in this topic by conducting a multicenter trial? We also thank Roth for his comments. Based on his experience, he reports that, in some patients, lower lip face mask placement wi...

Tuberous sclerosis can manifest itself by multiple facial nodules affecting primarily the nose, cheeks, chin, and the nasolabial folds. A simple tangential (shave) excision of these facial tumors is believed to be adequate treatment for some patients.