title: Sigmoidal curves.
authors.forename: N D
authors.initials: ND
authors.lastname: Charkes
mesh_terms: D006801:Humans; D016012:Poisson Distribution; D011336:Probability; D016499:Radioimmunotherapy / Q000009:adverse effects*; D011880:Radiotherapy Planning, Computer-Assisted; D013269:Stochastic Processes