Levey, E. J., Zhong, Q., Rondon, M. B., Sanchez, S., Li, J., Williams, M. A., & Gelaye, B. (2018). The psychometric properties of the 16-item version of the Prodromal Questionnaire (PQ-16) as a screening instrument for perinatal psychosis in pregnant Peruvian women. Arch Womens Ment Health.

Levey, Elizabeth J., Qiu-Yue Zhong, Marta B. Rondon, Sixto Sanchez, Jiong Li, Michelle A. Williams, and Bizu Gelaye. "The Psychometric Properties of the 16-item Version of the Prodromal Questionnaire (PQ-16) As a Screening Instrument for Perinatal Psychosis in Pregnant Peruvian Women." Arch Womens Ment Health 2018.

Levey, Elizabeth J., et al. "The Psychometric Properties of the 16-item Version of the Prodromal Questionnaire (PQ-16) As a Screening Instrument for Perinatal Psychosis in Pregnant Peruvian Women." Arch Womens Ment Health 2018.