Luis Alberto Quintero Largo (born April 14, 1990, in Chíquiza) is a Colombian cyclist.

[1] Largo tested positive for 19-norandrosterone and noretiocholanolone in an out-of-competition control 22 January 2014 and was subsequently handed a two-year ban from sport.

[2][3] He had just arrived in Europe to ride as a neo-pro for pro continental team Colombia at the time of the test, and he lost his contract with the team because of the anti-doping rule violation.

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