General guidelines for methodologies on research and evaluation of tragitional medicine /
World Health Organization
General guidelines for methodologies on research and evaluation of tragitional medicine / World Health Organization Geneva. -- - Ginebra : WHO, 2006. - 71 p. : 27 cm.
Metodología
General guidelines for methodologies on research and evaluation of tragitional medicine / World Health Organization Geneva. -- - Ginebra : WHO, 2006. - 71 p. : 27 cm.
Metodología
