Tryptophan metabolism on cancer: the expression and effects of tryptamine pathway on melanoma and glioblastoma cell lines - Coimbra, Janine; Moreno, Ana Carolina Ramos; Clara, Renan Orsati; Albuquerque, Renata Chaves; Campa, Ana (Biomedical papers of the Medical Faculty of the University Palacký, Olomouc Czech Republic, 2012)