APA (7th ed.) Citation

Letro,Grace Helena, Quagliato,Elizabeth M.A.B, & Viana,Maura Aparecida. (2009). Pain in Parkinson's disease.

Chicago Style (17th ed.) Citation

Letro,Grace Helena, Quagliato,Elizabeth M.A.B, and Viana,Maura Aparecida. Pain in Parkinson's Disease. 2009.

MLA (9th ed.) Citation

Letro,Grace Helena, et al. Pain in Parkinson's Disease. 2009.

Warning: These citations may not always be 100% accurate.