The case-control study and retrospective controls.
Jones, R
The case-control study and retrospective controls. [electronic resource] - British medical journal Dec 1979 - 1507-8 p. digital
Publication Type: Letter
0007-1447
10.1136/bmj.2.6203.1507-b doi
Epidemiologic Methods
Humans
Research Design
Retrospective Studies
The case-control study and retrospective controls. [electronic resource] - British medical journal Dec 1979 - 1507-8 p. digital
Publication Type: Letter
0007-1447
10.1136/bmj.2.6203.1507-b doi
Epidemiologic Methods
Humans
Research Design
Retrospective Studies