1. Retrograde aortic placentography;BASSON, J.M.M.; VILLIERS, D.E.; N, J.;Clinical Radiolog,1963
2. Prediction of fetal maturity with combined cytological and radiological methods;BROSENS, I.; GORDON, H.; BAERT, A.;Journal of Obstetrics and Gynaecologv of the British Commonwealth,1969
3. Incidence of leukaemia after exposure to diagnostic radiation in utero;BROWN, C.O.U.R.T.; M., W.; DOLL, R.; HILL, A.B.;British Medical Journal,1960
4. Single film inclined angioplacentography in the diagnosis of placenta praevia;HERLINGER, H.;Clinical Radiology,1968
5. Textbook of Radiology;HIGHMAN, J.H.,1969