Heerema-McKenney Amy. Diagnostic Pathology: Placenta. USA Amirsys, Inc 2018. Available on Internet: <https://www.nejlevnejsi-knihy.cz/kniha/diagnostic-pathology-placenta-19256066.html?utm_source=google&utm_medium=surfaces&utm_campaign=shopping%20feed&utm_content=free%20google%20shopping%20clicks%20300k&gclid=Cj0KCQjwjIKYBhC6ARIsAGEds-I9cZsrFtTdxhUvpA5KlsQLuR8Fx1_ZEZtTAJV-5Ag_HKoijUw5BZUaAsKFEALw_wcB> ISBN 9780323609715.