TY - SER ED - Harvard Medical School. ED - Harvard Medical School. TI - Harvard heart letter: from Harvard Medical School SN - 1943-510X AV - RC681.A1 H37 PY - 1990///- CY - Boston, MA PB - Harvard Medical School Health Publications Group KW - Cardiology KW - Periodicals KW - Heart KW - Diseases KW - Heart Diseases KW - fast KW - Electronic journals KW - Periodical KW - lcgft UR - https://search.ebscohost.com/direct.asp?db=aph&jid=HHR&scope=site ER -