Barker, D. J. P.
Practical epidemiology / D.J.P. Barker, A.J. Hall. - 4th ed. - Edinburgh ; New York : Churchill Livingstone, c1991. - 173 p. : ill. ; 22 cm.
Includes index.
Includes bibliographical references.
0443037876
Epidemiology--Technique.
RA652 / .B37 1991
Practical epidemiology / D.J.P. Barker, A.J. Hall. - 4th ed. - Edinburgh ; New York : Churchill Livingstone, c1991. - 173 p. : ill. ; 22 cm.
Includes index.
Includes bibliographical references.
0443037876
Epidemiology--Technique.
RA652 / .B37 1991