Dyfyniad APA

COCKCROFT, A. (2000). Occupational and Environmental Medicine: On line and further developments to come: oem.bmjjournals.com. BMJ Group.

Dyfyniad Arddull Chicago

COCKCROFT, A. Occupational and Environmental Medicine: On Line and Further Developments to Come: Oem.bmjjournals.com. BMJ Group, 2000.

Dyfyniad MLA

COCKCROFT, A. Occupational and Environmental Medicine: On Line and Further Developments to Come: Oem.bmjjournals.com. BMJ Group, 2000.

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