(Q40774145)
Statements
1 reference
Experimental design and methods for school-based randomized trials. Experience from the Hutchinson Smoking Prevention Project (HSPP). (English)
1 reference
Peterson AV
1 reference
Mann SL
1 reference
Kealey KA
1 reference
Marek PM
1 reference
1 April 2000
1 reference
1 reference
21
1 reference
2
1 reference
144-165
1 reference
Identifiers
1 reference
1 reference