Relationships between maternal plasma leptin, placental leptin mRNA and protein in normal pregnancy, pre-eclampsia and intrauterine growth restriction without pre-eclampsia - Laivuori, H; Gallaher, M J; Collura, L; Crombleholme, W R; Markovic, N; Rajakumar, A; Hubel, C A; Roberts, J M; Powers, R W (Mol Hum Reprod, 2006)