• Exploring Pain in the Andes - The Ailing Idioms of the Quichua (Inca) People, 2009.  Funded by FCAR, Quebec, Canada, and in part by a Research Development Award, Centre de recherche de l’Hôpital Ste-Justine, Montréal, Canada.

  • The Analgesic Effects of Daring Words:  A Bio-Psycho-Cultural Study among the Quichua, 2009.  Funded by FCAR, Quebec, Canada, and in part by a Research Development Award, Centre de recherche de l’Hôpital Ste-Justine, Montréal, Canada.

  • Understanding the Diagnostic Skills of "yachactaita" (Quichua Healers of the Andes), 2006.  Runajambi Institute for the Study of Quichua Culture and Health.  Funded by the John Simon Guggenheim Memorial Foundation, New York, USA.

  • The Dynamics of Quichua-Spanish Contact in the Community of Peguche, Ecuador. 2002.

  • Screening Clinically Promising Healing Practices Among Native Americans of California, 1999.  Brain, Mind, and Medicine: Cross-Cultural Perspectives Program.  Pitzer, Claremont McKenna, and Harvey Mudd Colleges, California.  Funded by the The John Randolph Haynes and Dora Haynes Foundation, Los Angeles, California, USA.

  • Tongva Medicinal Plants: A Web-Based Catalog, 2000.  Brain, Mind, and Medicine: Cross-Cultural Perspectives Program.  Pitzer, Claremont McKenna, and Harvey Mudd Colleges, CaTongva Medicinal Plantslifornia.  Funded in part by The Strategic Initiative Fund, Pitzer College and The John Randolph Haynes and Dora Haynes Foundation, Los Angeles, California, USA.

  • Quichua Belief System on Language Acquisition, and Acculturation (Imbabura, Ecuador). 1992.

  • Llaqui and Depression: Exploration of a Quichua Illness Cluster, 1992.  Funded by FCAR, Quebec, Canada, and in part by the Ministry of Health, Ecuador.