preferred_name: Frozen erythrocytes given &#x7C; Patient &#x7C; Blood bank
preferred_name_lc: frozen erythrocytes given &#x7c; patient &#x7c; blood bank
label: Frozen erythrocytes given &#x7C; Patient &#x7C; Blood bank
label_lc: frozen erythrocytes given &#x7c; patient &#x7c; blood bank