en Cardiology Cardiology Letter to Editor Letter to Editor <span style="font-size:14px;"><span style="font-family:Times New Roman;"><span style="line-height:19.0pt"><b>Transesophageal echocardiography probe intubation or extubation: which side is generating more aerosols associated with spreading COVID-19 contamination?</b></span></span></span><br> <br> <span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:200%"><span style="font-family:Calibri"><span dir="RTL" style="font-size:12.0000pt"><span style="font-family:'Times New Roman'"><span style="line-height:200%"></span></span></span></span></span></span></span> Transesophageal echocardiography, TEE probe extubation, COVID-19 748 749 http://caspjim.com/browse.php?a_code=A-10-3176-1&slc_lang=en&sid=1 Mohaddeseh Behjati dr.mohaddesehbehjati@gmail.com 100319475328460050134 100319475328460050134 Yes Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran Fatemeh Tohidi f.tohidi@mubabol.ac.ir 100319475328460050135 100319475328460050135 No Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran