We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSerum DDT, age at menarche, and abnormal menstrual cycle lengthAuthorsOuyang, FPublicationOccupational and Environmental Medicine, 2005, Vol 62, Issue 12, p878ISSN1351-0711Publication typearticleDOI10.1136/oem.2005.020248