{Reference Type}: Journal Article {Title}: Calcium flux balance across cell membranes in the heart: important unanswered questions with implications for the role of ryanodine receptors. {Author}: Terrar DA; {Journal}: J Physiol {Volume}: 0 {Issue}: 0 {Year}: 2024 Aug 4 {Factor}: 6.228 {DOI}: 10.1113/JP287223