TY  - RPRT
TI  - Technical difficulties in fetal skin sampling.
AU  - L Löfberg
AU  - B Gustavii
PY  - 1982
DO  - 10.3109/00016348209156601
UR  - https://pubmed.ncbi.nlm.nih.gov/7164776/
ID  - 7164776
ER  -