Efficacy of piribedil as early combination to levodopa in patients with stable parkinson's disease: A 6-month, randomized, placebo-controlled study
Caldas, A. , Ziegler, M.. (2003). Efficacy of piribedil as early combination to levodopa in patients with stable parkinson's disease: A 6-month, randomized, placebo-controlled study. Movement Disorders
The epidemiology of traumatic brain injury in Portugal,Epidemiologia dos traumatismos crânio-encefálicos em Portugal
Caldas, A. , Santos, M.E.. (2003). The epidemiology of traumatic brain injury in Portugal,Epidemiologia dos traumatismos crânio-encefálicos em Portugal. Acta Medica Portuguesa