TY  - JOUR

T1  - Accessing hidden and hard to reach populations: snowball research strategies

JO  - Social Â鶹ÊÓƵ Update

PY  - 2001/01/01

AU  - Atkinson R

AU  - Flint J

ED  - 

VL  - 33

Y2  - 2025/06/27

ER  -