Lactation: A Reference Guide to Fetal and Neonatal Risk, Lippincott Williams & Wilkins: 600, 2012 [2013-10-28], ISBN 1451153597, (原始内容存档于2014-01-01). Spratto
Lactation: A Reference Guide to Fetal and Neonatal Risk. Lippincott Williams & Wilkins. 2011: 1190. ISBN 9781608317080. (原始内容存档于2016-12-22) (英语). Podophyllum