Question: Which of these cases established the idea of "informed consent" to medical procedures: Canterbury v. Spence or Obergefell v. Hodges?
Sentence (from "Obergefell v. Hodges"): Obergefell v. Hodges, 576 U.S. ___ (2015) ( ), is a landmark civil rights case in which the United States Supreme Court ruled that the fundamental right to marry is guaranteed to same-sex couples by both the Due Process Clause and the Equal Protection Clause of the Fourteenth Amendment to the United States Constitution in a 5–4 decision.
Relevant evidence: Yes