Where they removed this part of their answer:
However, the section on "Stabalizing a Creature" states:
The best way to save a creature with 0 Hit Points is to heal it. If healing is unavailable, the creature can at least be stabilized so that it isn’t killed by a failed death saving throw. You can use your action to administer first aid to an unconscious creature and attempt to stabilize it, which requires a successful DC 10 Wisdom (Medicine) check. A stable creature doesn’t make Death Saving Throws, even though it has 0 Hit Points, but it does remain Unconscious. The creature stops being…