Ohcanbohtosat - (( drugs: education, prevencion AND policy ) OR ( drugs: educativo, prevencion AND policy ))*
Ozuin - (( drugs: education, prevencion AND policy ) OR ( drugs: educativo, prevencion AND policy ))* - eai gávdnon bohtosat.
Gánnáha geahččalit iešguđetlágán čállinhámiid:
- education, »
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Seđđon ohcamiin sáhttet gávdnot ohcanbohtosat, main leat seammasullasaš sánit: (( drugs: education, prevencion AND policy ) OR ( drugs: educativo, prevencion AND policy ))~.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "(( drugs: education, prevencion AND policy ) OR ( drugs: educativo, prevencion AND policy ))*".