Balfour, G. W. (1894). The senile heart: Its symptoms, sequelae, and treatment. MacMillan.
Chicago-viite (17. p.)Balfour, George William. The Senile Heart: Its Symptoms, Sequelae, and Treatment. New York: MacMillan, 1894.
MLA-viite (8. p.)Balfour, George William. The Senile Heart: Its Symptoms, Sequelae, and Treatment. MacMillan, 1894.
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