Photodynamic therapy -- applications in gastroenterology and pulmonology : proceedings of a symposium sponsored by Axcan Pharma Inc and held at the Royal Society of Medicine, London. : London, UK. (International Congress and Symposium Series ; 255)
Photodynamic therapy -- applications in gastroenterology and pulmonology : proceedings of a symposium sponsored by Axcan Pharma Inc and held at the Royal Society of Medicine, London. : London, UK.
(International Congress and Symposium Series ; 255)