Abstract

References
1.
Froelicher
V.F.
,
Yanowitz
F.
,
Thompson
A.J.
, &
Lancaster
M.
(1973 ) Circulation 48 , 597 –604 .
2.
Garrison
G.E.
, &
Cullen
W.H.
(1972 ) Aerospace Medicine 43 , 86 –91 .
3.
Hutchins
G.M.
,
Bulkley
B.H.
,
Ridolfi
R.L.
,
Griffith
LS C.
,
Lohr
F.T.
, &
Piasio
M.A.
(1977 ) Circulation 56 , 32 –37 .
4.
Kulak
L.L.
,
Wick
RL
Jr
, &
Billings
C.E.
(1971 ) Aerospace Medicine 42 , 670 –672 .
5.
Marcomichelakis
J.
,
Donaldson
R.
,
Joseph
S.
,
Kelly
H.B.
,
Taggart
P.
, &
Somerville
W.
(1978 ) British Journal of Clinical Practice 32 (Suppl 1 ); pp 82 –86
6.
Taggart
P.
,
Carruthers
M.
,
Joseph
S.
,
Kelly
H.B.
,
Marcomichelakis
J.
,
Noble
D.
,
O'Neill
G.
, &
Somerville
W.
(1979 ) British Heart Journal 41 , 214 –225 .
