bibliographicCitation |
Hibbs AM, Black D, Palermo L, Cnaan A, Luan X, Truog WE, Walsh MC, Ballard RA. Accounting for Multiple Births in Neonatal and Perinatal Trials: Systematic Review and Case Study. The Journal of Pediatrics. 2010 Feb;156(2):202–8. doi: 10.1016/j.jpeds.2009.08.049. |