Doctors have written to the authorities asking for permission to use the drug Avastin to treat patients with age-related macular degeneration. Dr Mark Porter investigates. Show more
Discover 11,123,937 listings and 293,599 playable programmes from the BBC
Doctors have written to the authorities asking for permission to use the drug Avastin to treat patients with age-related macular degeneration. Dr Mark Porter investigates. Show more