TY  - BOOK
AU  - Hogue C J
AU  - Schoenfelder J R
AU  - Shachtman R H
TI  - Comparison of post-abortum and post-partum time -to-delivery using a data-based Markov Chain
U1  - 519.233 
PY  - 1975///
CY  - Chapel Hill
PB  - North Carolina univ
KW  - Markov chain
ER  -