TY  - RPRT
TI  - Topical nitroglycerin for levator spasm.
AU  - N Hyman
AU  - P Cataldo
PY  - 1999
DO  - 10.1007/bf02236366
UR  - https://pubmed.ncbi.nlm.nih.gov/10223769/
ID  - 10223769
ER  -