Abstract
References
1.
Davies
P D
Fleck
D G
Rahi
A H S
, (1973 ) British Journal of Ophthalmology (in press)
2.
Ourth
D D
, (1971a ) British Journal of Experimental Pathology
52 , 276
3.
Ourth
D D
, (1971b ) Immunology
20 , 323 , 437