TY  - RPRT
TI  - Constipation. Pathogenesis and management.
AU  - A Shafik
PY  - 1993
DO  - 10.2165/00003495-199345040-00005
UR  - https://pubmed.ncbi.nlm.nih.gov/7684673/
ID  - 7684673
ER  -