@misc{indiciae04faebadbd03, title = {Initial experience with permanently implanted transvenous pacemakers.}, author = {W J Spencer and H S Miller and R N Headley and L E Watts and C G Sawyer}, year = {1968}, url = {https://pubmed.ncbi.nlm.nih.gov/5676413/}, note = {Source identifier: 5676413} }