About: http://webisa.webdatacommons.org/17646900

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Most studies were underpowered (that is, small sample sizes) and some failed to control for potential confounders such as medication use, age, sex, psychiatric comorbidity, stress coping/appraisal and abuse history.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca