| Literature DB >> 12336243 |
Abstract
Entities:
Keywords: Bleeding; Clinical Research; Diseases; Double-blind Studies; Iud; Menstrual Cycle; Menstruation; Reproduction; Research Methodology; Signs And Symptoms; Studies
Mesh:
Year: 1980 PMID: 12336243
Source DB: PubMed Journal: Contracept Deliv Syst ISSN: 0143-6112