TY  - RPRT
TI  - It could be more serious than you think!
AU  - S M el-Gadi
AU  - G Singh
AU  - R A Sparks
PY  - 1995
DO  - 10.1136/sti.71.3.201
UR  - https://pubmed.ncbi.nlm.nih.gov/7635508/
ID  - 7635508
ER  -