Marques, Cristiana, et al. “Development of the Questionnaire of Motivations to Disclose Not Disclose the Non-Genetic Parenthood by Gamete Donation’s Questionnaire”. Portuguese Journal of Behavioral and Social Research, vol. 3, no. 1, Feb. 2017, pp. 2–13, https://doi.org/10.7342/ismt.rpics.2017.3.1.35.