Hirsch, C. R., F. Meeten, C. Gordon, J. M. Newby, D. Bick, and M. L. Moulds. “Repetitive Negative Thinking and Interpretation Bias in Pregnancy”. Clinical Psychology in Europe, Vol. 2, no. 4, Dec. 2020, pp. 1-17, doi:10.32872/cpe.v2i4.3615.