Summerall, C. P. (1985). Lessons in EKG interpretation: A basic self-instruction guide. John Wiley and Sons.
Chicagoスタイル(17版)引用形式Summerall, Charles P. Lessons in EKG Interpretation: A Basic Self-instruction Guide. John Wiley and Sons, 1985.
MLA(9版)引用形式Summerall, Charles P. Lessons in EKG Interpretation: A Basic Self-instruction Guide. John Wiley and Sons, 1985.
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