François, V., Bernard, F., Bernard, B., Nader, H., Paul, V., Patrick, L., . . . Lilli, H. (2011). The 'help' question doesn't help when screening for major depression: External validation of the three-question screening test for primary care patients managed for physical complaints. BMC.

François, Verdon, Favrat Bernard, Burnand Bernard, Haftgoli Nader, Vaucher Paul, Lombardo Patrick, Bischoff Thomas, a Herzig Lilli. The 'help' Question Doesn't Help When Screening for Major Depression: External Validation of the Three-question Screening Test for Primary Care Patients Managed for Physical Complaints. BMC, 2011.

François, Verdon, et al. The 'help' Question Doesn't Help When Screening for Major Depression: External Validation of the Three-question Screening Test for Primary Care Patients Managed for Physical Complaints. BMC, 2011.