Charles Dickens was an influential English writer and social critic of the Victorian era.

Great Ormond Street Hospital for Children NHS Foundation Trust runs Great Ormond Street Hospital.

A heart valve is a part of the human heart that controls blood flow by opening and closing as the heart pumps.

London is the capital city of England and the United Kingdom, located on the banks of the River Thames.

Roald Dahl was a British author best known for his children's books.

Rubella vaccine is a vaccine used to prevent rubella.