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Chamberlain, D., B. Pentecost, K. Reval, J. Stevens, D M. Boyle, S. Cobbe, D. Ballantyne, e T. Shaw. Staffing in Cardiology in the United Kingdom 1990. Sixth Biennial Survey: With Data On Facilities in Cardiology in England and Wales 1989. 1991.

Chamberlain, D., et al. Staffing in Cardiology in the United Kingdom 1990. Sixth Biennial Survey: With Data On Facilities in Cardiology in England and Wales 1989. 1991.