Stomach cancer has become more common in some areas where food is often not stored in a cold place.
VOA: special.2009.01.13
Poisonous snakebites are common in rural areas of many developing countries with warm climates.
VOA: special.2009.05.05
Poisonous snakebites are common in rural areas of many developing countries with hot climates.
VOA: special.2009.04.22
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