1. Inherited multifocal serous retinal detachments in Great Pyrenees dogs.;Grahn;Proceedings of the World Veterinary Congress,1995
2. Multifocal retinopathy of Great Pyrenees;Grahn;Veterinary Ophthalmology,1998
3. Great Pyrenees retinopathy: fluorescein angiography, light microscopy, transmitting and scanning electron microscopy;Grahn;Veterinary Ophthalmology,2001
4. Diagnostic ophthalmology: multifocal retinal detachments in a dog;Grahn;Canadian Veterinary Journal,1997
5. Retinopathy of Great Pyrenees;Grahn;Proceedings of the American College of Veterinary Ophthalmologists,1997