A Statistical Analysis of 3,219 Persons : Certified Blind at the Regional Clinic for Certification of the Blind, Glasgow and South-West Scotland, during the Period 1929-1935.

@article{Marshall1942ASA,
  title={A Statistical Analysis of 3,219 Persons : Certified Blind at the Regional Clinic for Certification of the Blind, Glasgow and South-West Scotland, during the Period 1929-1935.},
  author={J C Marshall and H E Seiler},
  journal={The British journal of ophthalmology},
  year={1942},
  volume={26 8},
  pages={337-79}
}