Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleEffect of 4-Amino-Pteroylglutamic Acid (Aminopterin) on Early Pregnancy.∗.AuthorsThiersch, John B.; Philips, Frederick S.PublicationProceedings of the Society for Experimental Biology & Medicine, 1950, Vol 74, Issue 1, p204ISSN0037-9727Publication typeArticleDOI10.3181/00379727-74-17855