000			00369nam a2200157Ia 4500
008			220913s9999 xx 000 0 und d
041			_aeng
100			_aWorld Health Organization
245			_aWHO editorial style manual
250			_a1
260			_aGeneva _bWHO _c1993
300			_av, 116p.
650			_aResearch methods
906			_a2000-01
999			_c179900 _d179900
773			_aGen