Endometrial synthesis and secretion of complement component-3 by patients with and without endometriosis**Supported by grants HD-20025 and HD-06274 (C.R.L.) from the National Institutes of Health, Bethesda, Maryland; by the Lalor Foundation (C.C.), Kennet Square, Pennsylvania; and the Mellon Foundation, New York, New York. ††Presented as a poster presentation at the Second International Meeting on Endometriosis, Houston, Texas, May 1 to May 3, 1989.