^Glade B. Curtis, Judith SchulerYour Pregnancy Week by Week by Judith Schuler and Glade B. Curtis (2011, Hardcover)ISBN 9780738214634 (revised Oct 2015)
^Curtis, Glade B., M.D.; Schuler, Judith (2014). Your Pregnancy Week by Week, 7th Edition, Perseus Books Group. BiggerBooks. ISBN 9780738214634 (revised Jun 2022)