- Determination of bisphenol A and related aromatic compounds released from bis-GMA-based composites and sealants by high performance liquid chromatography. Pulgar, R., Olea-Serrano, M.F., Novillo-Fertrell, A., Rivas, A., Pazos, P., Pedraza, V., Navajas, J.M., Olea, N. Environ. Health Perspect. (2000)