@misc{indiciaebd70cb1cde9b, title = {[Urinary chorionic gonadotropins before, during and after delivery].}, author = {R Wawryk and E Samochowiec and J Dudkiewicz}, year = {1969}, url = {https://pubmed.ncbi.nlm.nih.gov/5363644/}, note = {Source identifier: 5363644} }