Papers relating to collection of sputum samples for G.P.O. health survey

Scope and Content

Papers relating to the collection of sputum samples from volunteers involved in the health survey of the GPO. Participants were asked to collect any phlegm they coughed up in the first hour of waking and send it on to the investigators into a sample bottle. Papers include instruction sheet, correspondence with volunteers about sampling, list of volunteers who had not returned samples and some analysis of returned samples.