More cards in this set

Card 6

Front

Laing 1965

Back

Preview of the front of card 6

Card 7

Front

Taylor 2000

Back

Preview of the front of card 7

Card 8

Front

Dement and Kleitman 1957

Back

Preview of the front of card 8

Card 9

Front

Maguire et al 2000

Back

Preview of the front of card 9

Card 10

Front

Raine et al 1997

Back

Preview of the front of card 10

Card 11

Front

Boucard and McGue 1981

Back

Preview of the front of card 11