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Preventive Medicine and the Health Services
The Biological Basis of Health Education
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ability authorities become beginning better body boys building cent changes Chapter child concerned consideration cost course difficulty early effect examination example exercise experience fact field further gain Geometry girls give given hand ideas important included increase individual interest involved junior kind knowledge later Latin lead learning less limit material Mathematics matter means measure methods mind natural necessary observation Office opportunities parents particular period physical possible practice prepared present primary principles problems pupils questions reasonable relation rooms sample score secondary schools selection simple space square stage standards suggested taken teacher teaching things types understanding usually various whole