Cervical pessary use and preterm birth: how little we know.
Magee Womens Hospital, Pittsburgh, PA 15213, USA.The Lancet (Impact Factor: 39.06). 04/2012; 379(9828):1769-70. DOI: 10.1016/S0140-6736(12)60116-0
Data provided are for informational purposes only. Although carefully collected, accuracy cannot be guaranteed. The impact factor represents a rough estimation of the journal's impact factor and does not reflect the actual current impact factor. Publisher conditions are provided by RoMEO. Differing provisions from the publisher's actual policy or licence agreement may be applicable.