SAN FRANCISCO --Just before Valentine's Day, See's Candies has announced it is recalling 16-ounce bags of its Semi Sweet Chocolate Chips. The company said on Wednesday that the candies may contain undeclared traces of milk. It warned that people with severe milk allergies run the risk of serious or life-threatening allergic reactions to the candies. Concerned consumers who bought the product should return them to the shops where they were purchased for a full refund. See's said the product was sold through See's retail shops in California, Arizona, Nevada, Oregon, Washington, Utah, Colorado, Idaho, Hawaii, New Mexico and Illinois. The company said the candies were also sold by licensees in Nebraska, Iowa, Kansas, Michigan, Texas and internationally in Japan and Hong Kong.