The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of Adobe Acrobat Reader).

If you would like more information about how to print, save, and work with PDFs, Highwire Press provides a helpful Frequently Asked Questions about PDFs.

Alternatively, you can download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link above.

Fullscreen Fullscreen Off

Refbacks

  • There are currently no refbacks.



Sponsored/Supported by:

                     

Contact Person:

Hasanah Pratiwi Harahap
Department of Magister of Public Health, Faculty of Public Health, Institut Kesehatan Helvetia.
Jl. Kapt Sumarsono 107, Helvetia, Medan, Sumatera Utara - 20124, Indonesia.
Hp: +6282 3659 99629. Tel/Faks: (061) 42084606
Email: kesehatanglobal@helvetia.ac.id.