The Supreme Court in In re Quinlan discussed Karen's right to privacy at length. What documents and precedent did the Court look to in order to

The Supreme Court in In re Quinlan discussed Karen's right to privacy at length. What documents and precedent did the Court look to in order to establish Karen's legal right to privacy? How did the Court evaluate the interests of the state in light of Karen's right to privacy? Because Karen could not assert her rights, how did the Court ultimately reason that these rights should be asserted?