@misc{indiciaef87ce8af16b4, title = {Third variable analysis: application to causal sequences among nutrient intake, maternal weight, birthweight, placental weight, and gestation.}, author = {M Susser and Z Stein}, doi = {10.1002/sim.4780010203}, url = {https://pubmed.ncbi.nlm.nih.gov/7187086/}, note = {Source identifier: 7187086} }