Hundreds of Venezuelan doctors have marched through the country's capital, Caracas, demanding the expulsion of Cuban doctors.
President Hugo Chavez says he invited the medical staff into the country to provide free health care for the poor.
But Venezuela's doctors, who are also asking for better wages, say the Cubans are taking their jobs.
They say the government is trading its oil revenues to pay for some 20,000 Cuban doctors and dentists.
Dressed in white medical gowns and bearing national flags, some 400 doctors and medical staff carried banners reading 'No More Cubanisation!' as they marched.