Tác giả: Michael Peeters

The next quarter century will challenge U.S. joint forces with threats and opportunities ranging from regular and irregular wars in remote lands, to relief and reconstruction in crisis zones, to …

Old age is associated with a number of medico-social problems such as: hypertension, diabetes mellitus, thyroid disorders, osteoarthritis, tremor, pain, gait and balance impairment, incontinence, …