TY - RPRT TI - A preliminary study to develop a more discriminating F + ratio. AU - M H FELDMAN AU - C GURSSLIN AU - M L KAPLAN AU - N SHARLOCK PY - 1954 DO - 10.1002/1097-4679(195401)10:1<47::aid-jclp2270100110>3.0.co;2-x UR - https://pubmed.ncbi.nlm.nih.gov/13117980/ ID - 13117980 ER -