Ngā hua rapu - (( materials ((health devices) OR (health services)). ) OR ( materal health series. ))*
Kāore tō rapu - (( materials ((health devices) OR (health services)). ) OR ( materal health series. ))* - i ōrite ki tētahi rauemi.
Me whakamātau pea he takikupu rerekē:
- materials »
Ka taea pea ētahi hua anō mā te whakakē i tō uiui rapu.
- Mā te whakahaere i te rapu makaro e tīkina atu ai pea ngā kupu he ōrite te takikupu: (( materials ((health devices) OR (health services)). ) OR ( materal health series. ))~.
- Kā taea pea e ngā kupu AND, OR me NOT tō rapu te whakapōraru; tāpiritia he tohukī: "(( materials ((health devices) OR (health services)). ) OR ( materal health series. ))*".