TY  - RPRT
TI  - Good grief.
AU  - S E Clark
AU  - J Marley
PY  - 1993
DO  - 10.5694/j.1326-5377.1993.tb137673.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8326896/
ID  - 8326896
ER  -