TY - RPRT TI - Observer variation--how many observers for generalizability? AU - N G Mahutte AU - A Arici AU - A Duleba PY - 2001 DO - 10.1016/s0015-0282(01)01761-7 UR - https://pubmed.ncbi.nlm.nih.gov/11368056/ ID - 11368056 ER -