Shapiro, 2018, Subtherapeutic doses of SSRI antidepressants demonstrate considerable serotonin transporter occupancy: implications for tapering SSRIs

[bubbles]

The whole paper isn't available, just the first para or two, so it's hard to see where they go with it but the second para cuts off where they start talking about three different groups of symptoms after discontinuing the med. The author's email address is there, if someone feels inclined to contact him.

 

Psychopharmacology

September 2018, Volume 235, Issue 9, pp 2779–2781 | Cite as

Subtherapeutic doses of SSRI antidepressants demonstrate considerable serotonin transporter occupancy: implications for tapering SSRIs

Shapiro, Bryan

https://link.springer.com/article/10.1007/s00213-018-4995-4

(Pubmed didn't have an abstract for this paper, however, the link above has the first paragraph and a bit. I have not posted as uncertain about the copyright status in this case.)