Microarray scanner calibration curves: characteristics and implications by Xu Z Alex, Chen James J, Branham William S, Guo Lei, Goodsaid Federico M, Frueh Felix W, Fang Hong, Puri Raj K, Han Jing, Han Tao, Su Zhenqiang, Tong Weida, Shi Leming, Harris Stephen C, Hong Huixiao, Xie Qian, Perkins Roger G, Fuscoe James C