Yes.Libya does have doctors. Two friends of mine are doctors.Libya has medical doctors, and also academic doctors (PHD).To find out more about Libyan Doctors, you can visit the Libyan Doctors Society.I am not allowed to enter its website address here, so I will add it to Related Links (below) with a few other useful links.
yes lots scientists doctors and lots more x
So they can see if you are missing a chemical and to see if you are retainingthe chemical in your body.
Here is a list of Doctors you may find useful in your area http://www.locateadoc.com/doctors/chiropractic/tryon-nc.html
Leeches are known as parasites but they can be useful in medicine. After surgery, some doctors use leeches to prevent dangerous swelling near a wound. Also, leeches make a useful chemical that people can use.
Certainly that is why there is so much research and development conducted in the pharmaceutical industry, and why doctors use, dispense, and prescribe useful medications.
Doctors can use karyotypes to determine the sex of an individual. They can also use karyotypes to determine whether an individual has an abnormal number of chromosomes or noticeable chromosomal mutations, such as large deletions, additions, or translocations.
The human eye, while small, is amazingly complex. An eye diagram is a useful reference for doctors, ophthalmologists, opticians, and the scientifically curious.
The short answer is "because most medical doctors regard chiropractors as quacks" (or, at best, as practitioners of a technique that's unlikely to be particularly useful in a hospital setting ... and if it is needed, then it can be done just as well by DOs instead, who actually are medical doctors).
Tracers may be used by biologists studying plants, engineers surveying flaws in metal, and doctors detecting medical problems.
The doctors on The Doctors, really are doctors.
A Gram is simply looking for the presence of peptidoglycans in the cell wall (Gram positive bacteria have them). This is useful for physicians attempting to characterize an infectious agent, and narrows down the possibility of species which may be diagnosed.