Bruce, Iain (24 de noviembre de 2004). «Venezuela shuns IMF advice on oil money»(en inglés). BBC News. Consultado el 28 de marzo de 2015. «Many of the teaching methods used here - like almost all the 13,000 doctors and dentists working in the local surgeries that have also sprung up in Venezuela's poorest communities - come from Cuba (...) In exchange, Venezuela sends Cuba 53,000 barrels of oil a day at preferential prices.»
