Question: is this a 2) strong advice, 1) weak advice 0) no advice?

Adequate treatment of recurrent depression should provide symptom relief for the current episode, protect against relapse and prevent recurrence (for example, Montgomery, 1994; Kasper et al, 1997; Keller, 1999; Keller and Boland, 1998). 
user
This is a strong advice
assistant