Brännlund, Annica; Hammarström, Anne (March 2014). "Higher education and psychological distress: A 27-year prospective cohort study in Sweden". Scandinavian Journal of Public Health. 42 (2): 155–62. doi:10.1177/1403494813511559. PMID24265167. S2CID7254221.
Brännlund, Annica; Hammarström, Anne (March 2014). "Higher education and psychological distress: A 27-year prospective cohort study in Sweden". Scandinavian Journal of Public Health. 42 (2): 155–62. doi:10.1177/1403494813511559. PMID24265167. S2CID7254221.
Brännlund, Annica; Hammarström, Anne (March 2014). "Higher education and psychological distress: A 27-year prospective cohort study in Sweden". Scandinavian Journal of Public Health. 42 (2): 155–62. doi:10.1177/1403494813511559. PMID24265167. S2CID7254221.