Petrie, A. S. (2000). Medical statistics at a glance. Blackwell Science.
Dyfyniad Arddull ChicagoPetrie, Aviva Sabin. Medical Statistics at a Glance. London: Blackwell Science, 2000.
Dyfyniad MLAPetrie, Aviva Sabin. Medical Statistics at a Glance. Blackwell Science, 2000.
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