TY  - RPRT
TI  - "Deflected" calyx sign.
AU  - F Lopez
AU  - D Balsam
PY  - 1973
DO  - 10.1016/0090-4295(73)90512-8
UR  - https://pubmed.ncbi.nlm.nih.gov/4769506/
ID  - 4769506
ER  -