Pilloni, L.; Bianco, P.; Manieli, C.; Senes, G.; Coni, P.; Atzori, L.; Aste, N.; Faa, G. Immunoreactivity for Alpha-Smooth Muscle Actin Characterizes a Potentially Aggressive Subgroup of Little Basal Cell Carcinomas. Eur J Histochem 2009, 53, e14.