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Dr Gerding's claims that we have undermined clinical trials by instructing patients to avoid electroretinographic examinations are quite inaccurate. If we have ever instructed patients to avoid electroretinography, it was to prevent the
Molina OP. Evaluation of Patients With Retinitis Pigmentosa Receiving Electric Stimulation, Ozonated Blood, and Ocular Surgery in Cuba-Reply. Arch Ophthalmol. 1997;115(9):1215-1216. doi:10.1001/archopht.1997.01100160385031