BridgerHMillerE JO'DwyerJ J (1964) The Doctor and Sister in Industry. London
2.
HillA B (1937) An Investigation into the Sickness Experience of London Transport Workers with Special Reference to Digestive Disturbances. Industrial Health Research Board Report No. 79. HMSO, London
3.
HillA B (1965) Proc. R. Soc. Med.58, 295
4.
Medical Officer (1935) 54, 138
5.
Ministry of Labour (1966) The Appointed Factory Doctor Service. HMSO, London
6.
RaffleP A B (1963) Lanceti, 733
7.
Royal College of Physicians of London (1945) Brit. J. industr. Med.2, 51