Quality in written materials can be ensured through: 1. Clarity and Conciseness: Use simple language and avoid medical jargon when possible. 2. Accuracy: Double-check facts and figures to ensure the information is correct. 3. Relevance: Ensure the content is relevant to the audience, whether they are healthcare providers, patients, or researchers. 4. Consistency: Use a consistent format and style, which helps in easy comprehension.