Text this: Fetal septum primum excursion (SPE) and septum primum excursion index (SPEI) as sonomarkers of fetal anemia: using hemoglobin Bart's fetuses as a study model

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