LAMIA study (Left Atrial throMbus in rheumatIc mitrAl stenosis) hubungan antara nilai red cell distribution width, mean platelet volume, hematokrit, serta jumlah trombosit terhadap kejadian trombus atrium kiri pada mitral stenosis rematik = LAMIA study (Left Atrial throMbus in rheumatIc mitrAl stenosis) association between red cell distribution width, mean platelet volume, hematocrit, and platelet counts on the incidence of left atrial thrombosis in rheumatic mitral stenosis