TY  - RPRT
TI  - Weak with laughter.
AU  - S Overeem
AU  - G J Lammers
AU  - J G van Dijk
PY  - 1999
DO  - 10.1016/s0140-6736(99)80023-3
UR  - https://pubmed.ncbi.nlm.nih.gov/10485735/
ID  - 10485735
ER  -