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Amounts of human chorionic gonadotropin exceeding 5.0 mIU\/ml were found in cyst fluid of many patients, but not in serum. Progesterone and testosterone concentrations in breast cyst fluid were significantly higher than in serum (p &lt; 0.01 and p &lt; 0.001, respectively).<\/jats:p>","DOI":"10.1177\/030089168407000609","type":"journal-article","created":{"date-parts":[[2018,4,16]],"date-time":"2018-04-16T12:11:49Z","timestamp":1523880709000},"page":"523-527","source":"Crossref","is-referenced-by-count":9,"title":["Circulating Levels and Breast Cyst Fluid Concentrations of Human Chorionic Gonadotropin, Progesterone and Testosterone in Women with Gross Cystic Breast Disease"],"prefix":"10.1177","volume":"70","author":[{"given":"Giorgio","family":"Secreto","sequence":"first","affiliation":[{"name":"Istituto Nazionale per lo Studio e la Cura dei Tumori, Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Camilla","family":"Recchione","sequence":"additional","affiliation":[{"name":"Istituto Nazionale per lo Studio e la Cura dei Tumori, Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giuseppe","family":"Fariselli","sequence":"additional","affiliation":[{"name":"Istituto Nazionale per lo Studio e la Cura dei Tumori, Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Egle","family":"Grignolio","sequence":"additional","affiliation":[{"name":"Istituto Nazionale per lo Studio e la Cura dei Tumori, Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sergio","family":"Di Pietro","sequence":"additional","affiliation":[{"name":"Istituto Nazionale per lo Studio e la Cura dei Tumori, Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[1984,12,1]]},"reference":[{"key":"bibr1-030089168407000609","first-page":"85","volume-title":"Endocrinology of Cystic Breast Disease.","author":"Boccuzzi G.","year":"1983"},{"key":"bibr2-030089168407000609","first-page":"105","volume":"41","author":"Bradlow H.L.","year":"1981","journal-title":"Cancer Res."},{"key":"bibr3-030089168407000609","doi-asserted-by":"publisher","DOI":"10.1210\/jcem-49-5-778"},{"key":"bibr4-030089168407000609","first-page":"1","volume":"1","author":"Farello P.","year":"1976","journal-title":"Biodata Bull."},{"key":"bibr5-030089168407000609","first-page":"94","volume":"3","author":"Fleisher M.","year":"1973","journal-title":"New Sloane-Kettering Center Clin. 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