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The American Journal of Obstetrics and Gynecology (AJOG) is a peer reviewed journal of obstetrics and gynecology. It is popularly called the "Gray Journal". Since 1920, AJOG has continued the American Journal of Obstetrics and Diseases of Women and Children, which began publishing in 1868. AJOG has been Medline-indexed since 1965. The current ...
GreyNet International, the Grey Literature Network Service, is an independent organization founded in 1992. It is dedicated to research, publication, open access, education, and bringing public awareness to grey literature.
The term grey literature acts as a collective noun to refer to a large number of publications types produced by organizations for various reasons. These include research and project reports, annual or activity reports, theses, conference proceedings, preprints, working papers, newsletters, technical reports, recommendations and technical standards, patents, technical notes, data and statistics ...
It is popularly known as the "Green Journal". [1] Obstetrics & Gynecology has approximately 45,000 subscribers. [1] According to the 2014 Journal Citation Reports, it had an impact factor of 4.982, ranking it 5th among 82 reproductive medicine journals. [1]
The precise role this organism plays in causing disease remains speculative. [4] Diagnosis remains a challenge because the organism is difficult to culture in vitro. PCR-based techniques are still rare outside research scenarios. [5] The following conditions have been linked to Mycoplasma hominis: [citation needed]
Journal abbreviation is used, per its ISO 4. (Appendix G of AIP Style Manual [5] includes a list of journal abbreviations.) The blue is optional but usually contains the hyperlink to the online version of the article. Volume number is in boldface. Issue number can be specified in parentheses but is not required. Year is last and in parentheses.
Histopathology of placenta with increased syncytial knotting of chorionic villi, with two knots pointed out. The following characteristics of placentas have been said to be associated with placental insufficiency, however all of them occur in normal healthy placentas and full term healthy births, so none of them can be used to accurately diagnose placental insufficiency: [citation needed]
In early years, the journal was often referred to as "Silliman's Journal", [1] and the publication became associated with Yale University due to his long tenure there (1804–1853). [citation needed] The editorship long remained in the family of Professor Silliman, as he was assisted by his son, Benjamin Silliman Jr., from 1838.