R.A. Simpson

From 13 weeks to term, the trophoblast of human placenta grows by the continuous recruitment of new proliferative units: A study of nuclear number using the disector

R.A. Simpson, Terry M. Mayhew, Paul Barnes · Placenta · 1992 · 139 citations

Embryology, Developmental Biology, Continuous Recruitment +9

Proliferative versus hypertrophic growth in tissue subcompartments of human placental villi during gestation.

Terry M. Mayhew, E. Wadrop, R.A. Simpson · PubMed · 1994 · 51 citations

Fetal Medicine, Gynecology, Cell Proliferation +17

Quantitative evidence for the spatial dispersal of trophoblast nucleic in human placental villi during gestation

Terry M. Mayhew, R.A. Simpson · Placenta · 1994 · 50 citations

Biology, Quantitative Evidence, Developmental Biology +8

Pneumococcal cross infection in hospital.

A.J. Davies, P M Hawkey, R.A. Simpson et al. · BMJ · 1984 · 20 citations · Full text

Health Sciences, Antibiotics, Elderly Patients +10

In vivo and in vitro techniques used in the study of RNA synthesis in the brains of rats and mice at various ages from birth to senility.

P. C. B. MacKinnon, R.A. Simpson, Calman A. MacLennan · PubMed · 1969 · 16 citations

Developmental Biology, Brain Development, Vitro Techniques +9