FRANCIS, Johnson.
 First Degree Pacemaker Exit Block.
<strong>BMH Medical Journal    -   ISSN 2348–392X</strong>, [S.l.], v. 3, n. 4, p. 113-114, oct. 2016.
ISSN 2348-392X.
Available at: &lt;<a href="https://babymhospital.org/BMH_MJ/index.php/BMHMJ/article/view/100" target="_new">https://babymhospital.org/BMH_MJ/index.php/BMHMJ/article/view/100</a>&gt;. Date accessed: 04 may 2024.