TY - GEN AU - Mehta,S AU - Atherton,H D AU - Schoettker,P J AU - Hornung,R W AU - Perlstein,P H AU - Kotagal,U R TI - Differential markers for regionalization SN - 0743-8346 PY - 2001///0111 KW - Congenital Abnormalities KW - epidemiology KW - Delivery Rooms KW - classification KW - Female KW - Hospitals, Special KW - statistics & numerical data KW - Humans KW - Incidence KW - Infant, Low Birth Weight KW - Infant, Newborn KW - Logistic Models KW - Ohio KW - Patient Transfer KW - Pregnancy KW - Pregnancy Complications KW - Regional Medical Programs KW - Retrospective Studies KW - Time Factors N1 - Publication Type: Journal Article UR - https://doi.org/10.1038/sj.jp.7200391 ER -