Every Monday, Ralf the 8-year-old Giant Schnauzer can be found doing his hospital rounds at the Royal Children&#x27;s Hospital in Melbourne, Australia. Ralf is a favorite among patients, bringing smiles to children&#x27;s faces with his soft    coat and floppy tongue while they sit through chemotherapy sessions or recover after surgery. Ralf never lets his little friends down, and he never misses a shift at the hospital