1. Antenatal detection of chromosomal and metabolic abnormalities. In Mental Retardation: Prenatal Diagnosis and Infant;Butler, L.J.,1972
2. Antenatal detection of chromosome abnormalities;Butler, L.J.; Reiss, H.E.;Journal of Obstetrics and Gynaecology of the British Commonwealth,1970
3. Pathology of Mental Retardation;Crome, L.; Stem, J.,1972
4. Chromosome analysis before birth and its value in genetic counselling;Ferguson-Smith, M.E.; Ferguson-Smith, M.A.; Nevin, N.C.; Stone, M.;British MedicalJournal,1971
5. Present status of amniocentesis in intra-uterine diagnosis of genetic defects;Nadler, H.L.; Gerbie, A.B.;Obstetrics and Gyenecology,1971