TY - RPRT TI - Core elements of developmental epidemiologically based prevention research. AU - S G Kellam AU - D Koretz AU - E K MoĊ›cicki PY - 1999 DO - 10.1023/a:1022129127298 UR - https://pubmed.ncbi.nlm.nih.gov/10573831/ ID - 10573831 ER -