TY  - RPRT
TI  - [The difficulties in dealing with sterility].
AU  - I Lackinger
AU  - S von Eckardstein
PY  - 1991
DO  - 10.1055/s-2007-1026191
UR  - https://pubmed.ncbi.nlm.nih.gov/1936858/
ID  - 1936858
ER  -