R. Downes
发表
Marshall,
R. Downes,
1971
.
R. Downes,
M. Tonnet,
1985
.
G. Farquhar,
H. Rawson,
K. Hubick,
1990
.
R. Downes,
L. Pedley,
P. Colman,
1967
.
R. Downes,
E. Zielke,
S. Grové,
1971,
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde.
P. Salisbury,
R. Downes,
1982
.
P. Salisbury,
W. Muller,
R. Downes,
1985
.
R. Downes,
Js Gladstones,
1984
.
R. Downes,
1970
.
R. Downes,
Js Gladstones,
1984
.
R. Downes,
Js Gladstones,
1984
.
M. Freer,
K. Christian,
R. Downes,
1974
.