Translations:Basic Field Epi: Manual/324/en: Perbedaan revisi
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− | '''Disease can occur when the causes in the environment, host and agent are present'''
| + | [[Image:Host_agent_environment_triade.svg|thumb|200px|Disease can occur when the causes in the environment, host and agent are present]] |
Revisi per 25 Agustus 2014 11.56
Disease can occur when the causes in the environment, host and agent are present