00508nas a2200145   4500000000100000008004100001260003000042653003900072653003300111100001400144245010700158856007800265300001200343490000700355       2019                            d  bWorld Health Organization10aNeglected tropical diseases (NTDs)10aPreventive chemotherapy (PC)1 a(WHO) WHO00aGlobal update on implementation of preventive chemotherapy against neglected tropical diseases in 2018  uhttps://apps.who.int/iris/bitstream/handle/10665/327674/WER9438-en-fr.pdf  a425-4400 v38