The following extracts from the Glanrhyd smallpox files include documentary proof of the experiment which was conducted on the patients isolated at Blackmill Hospital. The extracts from the 1963 report in the Lancet make no mention of the Welsh experiment, referring only to previous trials in mice.
Letter from Wellcome Laboratories
Note from Wellcome about 33T57
Heading of Dr Pillutla's report on the Blackmill patients
Extract from Dr Pillutla's report - on the Blackmill experiment
Report from the Lancet of 7 September 1963 (p494)
Summary of report from the Lancet of 7 September 1963 (p496)
