D. Morgan

Endoscopic Sclerotherapy Compared with Percutaneous Transjugular Intrahepatic Portosystemic Shunt after Initial Sclerotherapy in Patients with Acute Variceal Hemorrhage

E. Olcott, D. Rockey, E. Ring, 1997, Annals of Internal Medicine.

A comparison of the Dalkon Shield and Gravigard (copper 7) intra-uterine devices in Southampton.

M. Elstein, J. F. Miller, E. Williamson, 1976, Contraception.