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Contemporary Educational Psychology|June 30, 2000
Effects of Informal Cooperative Learning and the Affiliation Motive on Achievement, Attitude, and Student InteractionsKlein, SchnackenbergJournal of Psychoactive Drugs|July 31, 2001
"Have a piss, drink ogogoro, smoke igbo, but don't take gbana"--hard and soft drugs in Nigeria: a critical comparison of official policies and the view on the streetA KleinVaccine|January 18, 2003
Prospects and challenges for prophylactic and therapeutic HIV vaccinesMichel KleinPadiatrie Und Padologie. Supplementum|January 1, 1975
[The chromosomal syndromes (author's transl)]D KleinDevelopment Genes and Evolution|June 19, 2002
kuzbanian is required cell autonomously during Notch signalling in the Drosophila wingThomas KleinChild Maltreatment|November 25, 2011
The availability of neighborhood early care and education resources and the maltreatment of young childrenSacha KleinKlinische Monatsblatter Fur Augenheilkunde|May 1, 1990
[Development of genetic research in ophthalmology with special reference to Switzerland]D KleinJournal of Psychoactive Drugs|August 24, 2011
Substance use and abuse among men using the Internet specifically to find partners for unprotected sexHugh KleinPageof 5,319