000 00426cam a22001097a 4500
008 180718b1957 xxu||||| |||| 00| 0 eng d
082 _aP25x73 Un3
245 _aSchool health services: a selective review of evaluation studies
_cby Department of Health, Education, and Welfare
260 _aWashington, D.C.
_bU.S. Government Printing Office
_c1957
300 _a149p.
700 _aU.S. Department of Health, Education, and Welfare
999 _c494528
_d494528