TY  - RPRT
TI  - Placental localization by different methods.
AU  - P Pystynen
AU  - A Ojala
AU  - P Ylöstalo
AU  - R Lahti
AU  - P A Järvinen
PY  - 1969
DO  - 10.3109/00016346909157738
UR  - https://pubmed.ncbi.nlm.nih.gov/5380817/
ID  - 5380817
ER  -