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In page Mission Barrio Adentro:

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Despite some obstacles (including the refusal by public hospitals to accept referrals for diagnosis and treatment, which was gradually and only partially overcome in 2003), "Plan Barrio Adentro" became very popular with its constituents.[4] By December 2003, "Plan Barrio Adentro"—having seen over 9 million patient consultations and 4 million health interventions[4]—was so popular that it was attracting national attention, and President Chávez transformed it into a national program, named "Mission Barrio Adentro" (MBA). It became the first of a series of popular "missions" that bypassed existing public institutions.[1]