1. Guttmacher Institute. Last five years accounts for more than one-quarter of all abortion restrictions enacted since Roe, https://www.guttmacher.org/article/2016/01/last-five-years-account-more-one-quarter-all-abortion-restrictions-enacted-roe; 2016 [Accessed 24 April 2020].
2. Independent. What is HB2 and why did the Supreme Court overturn it, https://www.independent.co.uk/news/world/americas/supreme-court-ruling-hb2-house-bill-2-what-is-it-abortion-law-texas-a7106206.html; 2016 [Accessed 24 April 2020].
3. Laudenberg. 83(2) HB 2 - Introduced version - Bill Text, http://www.legis.state.tx.us/tlodocs/832/billtext/html/HB00002I.htm. [Accessed 24 April 2020].
4. Health and safety code Title 4. Health facilities Subtitle B. Licensing of health facilities Chapter 245. Abortion facilities, http://www.statutes.legis.state.tx.us/Docs/HS/htm/HS.245.htm; [Accessed 24 April 2020].
5. Abortion services in rural Washington State, 1983–1984 to 1993–1994: availability and outcomes;Dobie;Fam Plann Perspect.,1999