Congenital heart block maternal sera autoantibodies target an extracellular epitope on the α1G T-type calcium channel in human fetal hearts. oleh Linn S Strandberg, Xuezhi Cui, Arianna Rath, Jie Liu, Earl D Silverman, Xiaoru Liu, Vinayakumar Siragam, Cameron Ackerley, Brenda Bin Su, Jane Yuqing Yan, Marco Capecchi, Luca Biavati, Alice Accorroni, William Yuen, Filippo Quattrone, Kalvin Lung, Edgar T Jaeggi, Peter H Backx, Charles M Deber, Robert M Hamilton