TY  - RPRT
TI  - PQ-interval depending on posture.
AU  - M Andersen
PY  - 1969
DO  - 10.1111/j.0954-6820.1969.tb01516.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5382071/
ID  - 5382071
ER  -