TY - RPRT TI - Potency in groups: articulating a construct. AU - R A Guzzo AU - P R Yost AU - R J Campbell AU - G P Shea PY - 1993 DO - 10.1111/j.2044-8309.1993.tb00987.x UR - https://pubmed.ncbi.nlm.nih.gov/8467372/ ID - 8467372 ER -