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Herbivores must overcome the wide variety of physical and chemical defences evolved by plants.
An emergency medical technician positions defibrillator paddles on the chest of a supine male patien
Remedies for insomnia include increased physical exercise and time spent outdoors.
Areas of sclerosis (see arrows) in the white matter of a patient with MS.
A patient with Cushing’s syndrome (A) before and (B) after receiving treatment. Sharmyn McGraw
After multiple injections of a local anesthetic, the patient developed herpetic lesions.