TY  - RPRT
TI  - RECORDING FLOW THROUGH THE CERVICAL CANAL.
AU  - G ENHOERNING
AU  - A INGELMAN-SUNDBERG
AU  - I JOELSSON
DO  - 10.1016/s0015-0282(16)34983-4
UR  - https://pubmed.ncbi.nlm.nih.gov/14060314/
ID  - 14060314
ER  -