https://www.theglobeandmail.com/canada/article-mothers-have-boys-dont-cry-bias-new-study-suggests/
https://archive.ph/UIaf9
https://www.ctvnews.ca/sci-tech/boys-don-t-cry-study-suggests-mothers-not-fathers-show-gender-bias-towards-sons-1.4693208
https://archive.is/7Yggl