1. The follicular and endocrine environment in women with endometriosis: local and systemic cytokine production 
Antonio Pellicer, M.D., Carmela Albert, Ph.D., Amparo Mercader, Ph.D., Fernando Bonilla-Musoles, M.D., José Remohı́, M.D., Carlos Simón, M.D. 
Fertility and Sterility 
Volume 70, Issue 3, Pages (September 1998)
DOI: /S (98)

2. FIGURE 1
In vitro accumulation of IL-1β, IL-6, and VEGF by human granulosa luteal cells in culture, under basal conditions, and in response to hCG. Levels were measured in pg/mL per 103 cells per 3 hours. ∗P<0.05 (production of IL-6 under basal conditions in controls versus in patients with endometriosis).
Fertility and Sterility  , DOI: ( /S (98) )