academic article

• Late-life depressive symptoms: prediction models of change..  Journal of affective disorders.  150:886-94. 2013
• Depressive symptoms among older adults in Mexico City..  Journal of general internal medicine.  23:1973-80. 2008
• Usefulness of two instruments in assessing depression among elderly Mexicans in population studies and for primary care..  Salud publica de Mexico.  50:447-56. 2008