000 00316nam a2200133Ia 4500
008 180710s9999 xx 000 0 und d
020 _a241740
082 _a614
_bYOU
245 _aPrimary health education
260 _aHong kong
_bLongman
_c1987
300 _axi, 208 p.
650 _aHealth education
942 _cS
999 _c75355
_d75355