Talme, T. et al. 1999. Somatostatin- and Factor XIIIa-immunoreactive Cells in Psoriasis during Clobetasol Propionate and Calcipotriol treatment. Acta Dermato-Venereologica. 79, 1 (Jan. 1999), 44–48. DOI:https://doi.org/10.1080/000155599750011697.