Olszynko-Gryn, Jesse External, Max Planck Institute for the History of Science, Max Planck Society;
https://direct.mit.edu/books/oa-monograph/5704/A-Woman-s-Right-to-KnowPregnancy-Testing-in (Any fulltext)
Olszynko-Gryn, J. (2023). A Woman’s Right to Know: Pregnancy Testing in Twentieth-Century Britain. Cambridge, MA: The MIT Press. doi:10.7551/mitpress/13917.001.0001.