TY  - RPRT
TI  - [HLA-A, B, C phenotype frequencies in progressive systemic scleroderma].
AU  - C Baldauf
AU  - J Schaller
AU  - K Herrmann
AU  - U F Haustein
PY  - 1989
UR  - https://pubmed.ncbi.nlm.nih.gov/2920860/
ID  - 2920860
ER  -