Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: AstraZeneca's Crestor May Harm Kidneys  WASHINGTON (Reuters) - Twenty-nine patients who took  AstraZeneca Plc's &lt;A HREF="[Link] target=/stocks/quickinfo/fullquote"&gt;AZN.L&lt;/A&gt; &lt;A HREF="[Link] target=/stocks/quickinfo/fullquote"&gt;AZN.N&lt;/A&gt; anti-cholesterol drug Crestor  have developed kidney damage, a U.S. consumer group said on  Friday as it called again for a ban on the medicine.

Business