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o grupo controle recebeu tratamento através do aparelho de fototerapia halógena, equipado com uma única lâmpada de quartzo-halógena com refletor dicróico, posicionada a 50 cm do paciente e que produz um foco luminoso circular de 18 cm de diâmetro.
the control group were given treatment using a halogen phototherapy system, equipped with a single quartz-halogen lamp with a dichroic reflector, positioned 50 cm from the patient and illuminating a circle of 18 cm diameter.