I know, it’s an American resource but I am sure you can find something useful in it. I haven’t read everything, but the language is mostly updated! And they are open to receive feedback.
“Adult Autism Health Resources (AAHR) Health Care Toolkit
Guiding caregivers and autistic adults through health care resources and information across the lifespan.
There are many critical junctures in the lifespan of an autistic adult. We’ve assembled information and resources about how to find and advocate for good care.“ (From Harvard Medical School)
https://www.adult-autism.health.harvard.edu/aahr-healthcare-toolkit/