The apex beat.
Morris PD, Warriner DR, Saraf K, Morton AC.
Morris PD, et al. Among authors: warriner dr.
Br J Hosp Med (Lond). 2013 Feb;74(2):C23-5. doi: 10.12968/hmed.2013.74.sup2.c23.
Br J Hosp Med (Lond). 2013.
PMID: 23411910
No abstract available.