@misc{indiciae84e4eb324511, title = {Normal pregnancy and delivery with implanted cardiac pacemaker.}, author = {P H Gerst and S P Griffiths and P J Poppers and R M McCaffrey and W D Todd}, year = {1969}, url = {https://pubmed.ncbi.nlm.nih.gov/5253708/}, note = {Source identifier: 5253708} }