000 00430nam a22001577a 4500
003 OSt
005 20191226215237.0
008 130304t xxu||||| |||| 00| 0 eng d
020 _a9290222859
060 _aWC 503.6 S 2007
245 _aSurveillance for sexually transmitted infections.
260 _aGeneva :
_bWorld Health Organization ,
_c2007.
300 _a90 p.
_bill.
_c29 cm.
650 _aSTIs
_911439
942 _2NLM
_cWHO PUB
999 _c3131
_d3131