I've just graduated <a href="http://www.oktandrammen.no/the-loss-of-estrogen-and-progesterone-receptor-gene-expression-in-human-breast-cancer-df74.pdf">estrogen progesterone receptors breast cancer</a>  Fonterra Chief Executive Theo Spierings traveled to China immediately after the news was made public and on Monday offered "deep apologies" for the food-safety issue. Meanwhile, New Zealand Prime Minister John Key promised the dairy giant would be the target of an investigation.