Hematoporphyrin-based photodynamic therapy for cutaneous squamous cell carcinoma in cats - Ferreira, Isabelle; Rahal, Sheila C.; Rocha, Noeme S.; Gouveia, Ana H.; Corrêa, Thaís P.; Carvalho, Yuri K.; Bagnato, Vanderlei Salvador (Veterinary Dermatology, 2009)