What is a replacement for gold?

Most common injury to people with gas gangrene? What is the tooth that cuts and tears? How do you breathe if co2 levels are too high? How easy is it to get a virus? Patients with Impetigo have what type of isolation? If you have keloid skin can you get your ears pierced? At what age does the tonsils stop working? When I'm upset why does chest hurt? Can veins get clogged? What is the minimum number of months a person should expect to rent out a room? Why is suprapubic pressure considered the appropriate response for shoulder dystocia? How does a fetus obtain preformed antibodies? What is expressive aphasia? What is a passage between two blood vessels or between two sides of the heart? Why overweight people should have a diet with more vegetables to reduce the chance of becoming obese? What system is the lungs in? Can you get a flat stomach by starving yourself? Can you father someone who has type O blood? What is the cure of marasmic kwashiorkor? Formula for the latus rectum of a parabola?