Fig. 3
From: Text mining for identifying the nature of online questions about non-suicidal self-injury
Dynamics of the most and least talked-about topics from 2009 to 2018
Fig. 3 | BMC Public Health
From: Text mining for identifying the nature of online questions about non-suicidal self-injury
Dynamics of the most and least talked-about topics from 2009 to 2018