The link below takes you to the b12 society site which contauns a range of videos about personal experiences of b12 deficiency with pernicious aenemia. This may be of use to many, like me, who keep hitting a brick wall with ones doctor because they automatically assume that pa is the only outcome of b12 deficiency.
The videos make unterstingvwatching.
Rosacea due to B12 deficiency?
B12 deficiency level a 232
B12 deficiency v. Ferritin deficiency
Spinal stenosis & b12 deficiency 
Neuropsychiatric symptoms of B12 deficiency 
