TY - RPRT TI - What makes a good staging algorithm: examples from regular exercise. AU - G R Reed AU - W F Velicer AU - J O Prochaska AU - J S Rossi AU - B H Marcus DO - 10.4278/0890-1171-12.1.57 UR - https://pubmed.ncbi.nlm.nih.gov/10170436/ ID - 10170436 ER -