With the heat wave sweeping the world, it has become necessary to be careful and pay attention to people whose health problems may be compounded by the heat, especially the elderly and children whose exposure to ultraviolet rays may lead to…
With the heat wave sweeping the world, it has become necessary to be careful and pay attention to people whose health problems may be compounded by the heat, especially the elderly and children whose exposure to ultraviolet rays may lead to…
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