Pharmaceutical Mail. The Law of Guarantees and Rational Use of Medicines celebrates ten years next week. Despite more than a dozen patches, experts agree that it is a standard that is still valid and useful for the pharmaceutical sector, although it needs to be updated. The then Minister of Health, Elena Salgado, the former General Secretary of Health José Martínez Olmos or the former director of Farmacia Teresa Pagés, among others, analyze for CF what the new regulation meant.