Mackeen, AD; Seibel-Seamon, J; Muhammad, J; Baxter, JK; Berghella, V (2014년 2월 27일). “Tocolytics for preterm premature rupture of membranes.”. 《The Cochrane database of systematic reviews》 2: CD007062. doi:10.1002/14651858.CD007062.pub3. PMID24578236.
Mackeen, AD; Seibel-Seamon, J; Muhammad, J; Baxter, JK; Berghella, V (2014년 2월 27일). “Tocolytics for preterm premature rupture of membranes.”. 《The Cochrane database of systematic reviews》 2: CD007062. doi:10.1002/14651858.CD007062.pub3. PMID24578236.