@misc{indiciaee4670e388cac, title = {New and developing methods of contraception.}, author = {J Walthall and M Goldman and M H Hutti}, year = {1994}, doi = {10.1111/j.1745-7599.1994.tb00945.x}, url = {https://pubmed.ncbi.nlm.nih.gov/8003371/}, note = {Source identifier: 8003371} }