Robuta

https://www.hachettebookgroup.com/genre/self-help/

https://www.cochrane.org/de/evidence/CD005032_alcoholics-anonymous-aa-self-help-group-organised-through-international-organization-recovering

https://forum.keratoconus-group.org.uk/viewforum.php?f=2&sid=edd29a4e848034c9574e53a07ca90e61