My psych office referenced “mental r*tardation/autism” in paperwork : AutismInWomen 
https://old.reddit.com/r/AutismInWomen/comments/1bngml4/my_psych_office_referenced_mental/
Small thread with a bit of seethe about a term for an intellectual disability being used in reference to a developmental disability which often has comorbid intellectual disability. 
Random slapfight besides the seethe:
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I have three diagnosises of developmental disabilities!
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I believe you!
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If a doctor asked me to get tested for tardation id tell him to go frick himself. I bet the test is whether you show up or not.
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