00451nas a2200193   4500000000100000008004100001260003800042653001300080653001000093653001200103653001000115653001400125653002000139100001600159700001600175245003500191300001000226050002100236       1992                            d  bMinistry of Health NigeriaaLagos10aTrainers10aNTLCP10aNigeria10aGuide10aEducation10aDisease control1 aGerritsma J1 aParry E H O00aEducational Guide for Trainers  a34 p.  aGERRITSMA 1992 c