| Literature DB >> 15237040 |
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Abstract
Amenorrhea is the absence or abnormal cessation of the menses. Primary and secondary amenorrhea describe the occurrence of amenorrhea before and after menarche, respectively.Entities:
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Year: 2004 PMID: 15237040 DOI: 10.1016/j.fertnstert.2004.02.098
Source DB: PubMed Journal: Fertil Steril ISSN: 0015-0282 Impact factor: 7.329