TY  - RPRT
TI  - [Systemic sclerosis and the gastrointestinal system].
AU  - E Parrochia
AU  - S Sacks
AU  - P Hoffenberg
PY  - 1971
UR  - https://pubmed.ncbi.nlm.nih.gov/5139091/
ID  - 5139091
ER  -