000 00718 a2200229 4500
005 20250512004119.0
264 0 _c19900322
008 199003s 0 0 eng d
022 _a0097-0050
040 _aNLM
_beng
_cNLM
100 1 _aDuncan, D F
245 0 0 _aContent analysis in health education research: an introduction to purposes and methods.
_h[electronic resource]
260 _bHealth education
_cDec 1989
300 _a27-31 p.
_bdigital
500 _aPublication Type: Journal Article
650 0 4 _aData Collection
_xmethods
650 0 4 _aHealth Education
650 0 4 _aHumans
650 0 4 _aResearch Design
650 0 4 _aSemantics
773 0 _tHealth education
_gvol. 20
_gno. 7
_gp. 27-31
999 _c2522061
_d2522061