You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when was the x ray first used in medicine?" whose answer is 11 January 1896.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when were x-rays first used in medicine
Useful Output:

Doc 1: So in 1912, Dr. Martin published "Practical Electro-Therapeutics and X-Ray Therapy," which contained photographs of patients treated for skin and lip cancers.
Doc 2: A few years later, in 1895, German physics professor Wilhelm Röntgen was experimenting with Lenard tubes and Crookes tubes covered in cardboard
Doc 3: They were first discovered on 8 November 1895 when Wilhelm Conrad Röntgen stumbled across their effects to create images on fluorescent screens.
Doc 4: 2020 marks the 125th anniversary of Wilhelm Conrad Röntgen's discovery of X-rays. A discovery that changed the world and more profoundly the
Doc 5: X-rays were discovered in 1895 by the German Physicist Wilhelm Roentgen.  X-rays can be used to treat disorders like cancers. In this