TY  - RPRT
TI  - Structural development of endocardial cushions.
AU  - R R Markwald
AU  - T P Fitzharris
AU  - F J Manasek
PY  - 1977
DO  - 10.1002/aja.1001480108
UR  - https://pubmed.ncbi.nlm.nih.gov/842477/
ID  - 842477
ER  -