發送短信 : Second trimester maternal serum markers and a predictive model for predicting fetal hemoglobin Bart's disease

 __   __     ___       _____     ___      _  __  
 \ \\/ //   / _ \\    / ___//   / _ \\   | |/ // 
  \   //   | / \ ||   \___ \\  / //\ \\  | ' //  
  / . \\   | \_/ ||   /    // |  ___  || | . \\  
 /_//\_\\   \___//   /____//  |_||  |_|| |_|\_\\ 
 `-`  --`   `---`   `-----`   `-`   `-`  `-` --`