Here is guidance on appropriate standards of conduct for the physician, as well as links to ethics continuing medical education courses, and tools such as a “do not resuscitate” form.
TMA letter on Senate Bill 16, the abortion-sonogram legislation
"TMA’s member physicians fall on both sides of the abortion debate. TMA’s concerns regarding SB 16, however, do not pertain to that highly political issue. ... TMA is concerned that SB 16 not only sets a dangerous precedent of legislation prescribing the details of the practice of medicine, but it also clearly mandates that physicians practice in a manner inconsistent with medical ethics."
End of Life Care:
Treating Your Own: It's Legal, But Can Be Risky (Texas Medicine, October 2011)