000 00264nam a2200109Ia 4500
100 _aW.H.O Tech.Rep series no.31
942 _cBK
245 _aYoung people health- a challenge for society
260 _aW.H.O, Geneva
_c1986
082 _aR614 WHO/TRS
300 _a117
999 _c59462
_d59462