Article: Bone Up On Calcium and Vitamin D for a Chance to Win a Family Vacation to Yellowstone National Park.

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ENGLEWOOD CLIFFS, N.J., March 20 /PRNewswire/ -- Do you know how much calcium you need each day? Or which foods are good sources of vitamin D? If you are curious about answers to these and other nutrition questions, then pull up a chair to the virtual chalkboard at http://www.countrycrock.com/. Take the Shedd's Spread Country Crock(R) Calcium quiz for the chance to instantly win a $25 Visa(R) gift card.* You'll also be entered for a chance to win a family vacation for five to Yellowstone National Park. Visit http://www.countrycrock.com/ daily through June ...

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