R. Fray
发表
J. Wright,
R. Fray,
1982,
The Practitioner.
D. Davey,
R. Fray,
1979,
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde.
C. Handler,
P. Snashall,
R. Fray,
1982,
Thorax.
C. Handler,
G. Perkin,
R. Fray,
1983,
Postgraduate medical journal.
G. Cario,
N. Morris,
R. Fray,
1985
.
J. Taylor‐Papadimitriou,
G. T. Rogers,
O. Husain,
1984,
British journal of obstetrics and gynaecology.