Screening<br/>programs belong to ( ) A: primordial<br/>prevention B: primary<br/>prevention C: secondary<br/>prevention D: tertiary<br/>prevention
Screening<br/>programs belong to ( ) A: primordial<br/>prevention B: primary<br/>prevention C: secondary<br/>prevention D: tertiary<br/>prevention
Prevention of avian coccidiosis could be achieved by drug prevention and vaccine immunization.
Prevention of avian coccidiosis could be achieved by drug prevention and vaccine immunization.
Prevention of avian coccidiosis could be achieved by drug prevention and vaccine immunization.
Prevention of avian coccidiosis could be achieved by drug prevention and vaccine immunization.
disease prevention
disease prevention
Prevention of avian coccidiosis could be achieved by drug prevention and vaccine immunization. A: 正确 B: 错误
Prevention of avian coccidiosis could be achieved by drug prevention and vaccine immunization. A: 正确 B: 错误
Preventive medicine is composed by three levels, i.e. primary prevention, secondary prevention and tertiary prevention.
Preventive medicine is composed by three levels, i.e. primary prevention, secondary prevention and tertiary prevention.
未雨绸缪,防患于未然。? Prevention|Repair the window before it rains.|Prevention first.|Repair the window after it rains.
未雨绸缪,防患于未然。? Prevention|Repair the window before it rains.|Prevention first.|Repair the window after it rains.
在PubMed中检索肺癌的预防或治疗的相关文献，检索策略应为 A: Lung cancer AND Prevention AND therapy B: Prevention OR therapy AND Lung cancer C: Prevention AND therapy OR Lung cancer D: Lung cancer AND Prevention OR therapy
在PubMed中检索肺癌的预防或治疗的相关文献，检索策略应为 A: Lung cancer AND Prevention AND therapy B: Prevention OR therapy AND Lung cancer C: Prevention AND therapy OR Lung cancer D: Lung cancer AND Prevention OR therapy
Which is the pollution prevention equipment?
Which is the pollution prevention equipment?
epidemic prevention and control 四字
epidemic prevention and control 四字