TY - RPRT TI - Two computer programs using logit transformation for the analysis of S-shaped curves. AU - E Rieger AU - J J Bijl AU - M Rieger PY - 1993 DO - 10.1016/0010-4825(93)90136-o UR - https://pubmed.ncbi.nlm.nih.gov/8222618/ ID - 8222618 ER -