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排序方式: 共有137条查询结果,搜索用时 15 毫秒
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This paper examines the impacts of four abstinence-only education programs on adolescent sexual activity and risks of pregnancy and sexually transmitted diseases (STDs). Based on an experimental design, the impact analysis uses survey data collected in 2005 and early 2006 from more than 2,000 teens who had been randomly assigned to either a program group that was eligible to participate in one of the four programs or a control group that was not. The findings show no significant impact on teen sexual activity, no differences in rates of unprotected sex, and some impacts on knowledge of STDs and perceived effectiveness of condoms and birth control pills  相似文献   
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This case report describes an incident of myiasis in Oklahoma City, Oklahoma. Paramedics treated a 53‐year‐old man in the field when he suffered cardiac arrest. He was intubated by the paramedics and transported to an emergency room, where he received two stents and a balloon pump. He was found to have a GCS of three and remained in the hospital for 7 days before passing away. After his death, the breathing tube was removed, revealing the presence of several maggots. On closer inspection, the dipteran larvae were found in both the oral and nasal cavities. Four of these larvae were reared to adulthood and identified as Lucilia cuprina (Weidemann) (Diptera: Calliphoridae), commonly known as the Australian sheep blowfly, by the Biology Department of the University of Oklahoma. Based on the fly's life cycle and rate of development, the infestation is suspected to be hospital acquired.  相似文献   
136.

Asia and the Road Ahead: Issues for the Major Powers. By Robert A. Scalapino. University of California Press, 1976. Pp. x +337. Map. Index. £7.10.

A Peace Denied: the United States, Vietnam, and the Paris Agreement. By Gareth Porter. Indiana University Press, 1975. $15.  相似文献   
137.
Running From Sin to Sainthood

Philip Agee: On The Run Lyle Stuart, Inc., Secaucus, NJ., 1987, 400 p., $19.95.

Industrial Intelligence, Once Over Lightly

Norman R. Bottom, Jr. and Robert R. J. Gallati: Industrial Espionage: Intelligence Techniques and Countermeasures Butterworth Publishers, Boston, 1984, 322 p. $25.95.

Deep Black and Shades of Gray

William E. Burrows: Deep Black: Space Espionage and National Security Random House, New York, 1987, 401 p., $19.95.

The Affair Behind the Affair

Phillip Knightley and Caroline Kennedy: An Affair of State: The Profumo Case and the Framing of Stephen Ward Atheneum, New York, 1987, 268 p., $18.95.

Double the Agent Double the Pleasure

Juan Pujol, with Nigel West: Garbo: The Personal Story of the Most Successful Double Agent in World War II Random House, New York, 1986,205 p., $17.95.

How Sweet Revenge

Peter Wright with Paul Greengrass: Spycatcher: The Candid Autobiography of a Senior Intelligence Officer Viking, New York, 1987, 345 p., $18.95.

A Fresh Look at Bulgarian Intelligence

Vladimir Rostov: Le Parapluie Bulgare Editions Stock, Paris, 1986, 236 p., 85 Fr. fr.

French Intelligence Services: A View from the Top

Christine Ockrent and Alexandre de Marenches (Comte de Marenches): Dans le secret des princes Stock, Paris, 1986, 342 p., 98 Fr. fr.  相似文献   
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