Tzung, T.; Wu, J.; Hsu, N.; Chen, Y.; Ger, L. Comparison of Tazarotene 0.1% Gel Plus Petrolatum Once Daily Versus Calcipotriol 0.005% Ointment Twice Daily in the Treatment of Plaque Psoriasis. Acta Derm Venereol 2005, 85, 236-239.