@misc{indiciaedc9ed224b600, title = {Analyzing multiply matched cohort studies with two different comparison groups: application to pregnancy rates among HIV+ women.}, author = {Yan Li and Daniel Zelterman and Brian W C Forsyth}, year = {2003}, doi = {10.1111/1541-0420.00073}, url = {https://pubmed.ncbi.nlm.nih.gov/14601764/}, note = {Source identifier: 14601764} }