preferred_name: ENA: extractable nuclear antigen antibody (e.g., RNP, SS-A)
preferred_name_lc: ena: extractable nuclear antigen antibody (e.g., rnp, ss-a)
label: ENA: extractable nuclear antigen antibody (e.g., RNP, SS-A)
label_lc: ena: extractable nuclear antigen antibody (e.g., rnp, ss-a)