Callahan, J. R. (2011). 50 health scares that fizzled. Greenwood.
Tohutoru Kātū Chicago (17th ed.)Callahan, Joan R. 50 Health Scares That Fizzled. Santa Barbara, Calif.: Greenwood, 2011.
Tohutoro MLA (9th ed.)Callahan, Joan R. 50 Health Scares That Fizzled. Greenwood, 2011.
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