title: Peak calcitonin cut-off levels for the diagnosis of occult medullary thyroid cancer: evidence of confounding by gender.
authors.forename: Andreas
authors.initials: A
authors.lastname: Machens
authors.forename: Henning
authors.initials: H
authors.lastname: Dralle
mesh_terms: D002116:Calcitonin / Q000032:analysis* / Q000097:blood / Q000592:standards; D018276:Carcinoma, Medullary / Q000097:blood / Q000175:diagnosis*; D018278:Carcinoma, Neuroendocrine; D002940:Circadian Rhythm / Q000502:physiology; D015986:Confounding Factors, Epidemiologic; D003940:Diagnostic Techniques, Endocrine / Q000592:standards*; D005260:Female; D006801:Humans; D008297:Male; D012016:Reference Values; D012727:Sex Characteristics; D013964:Thyroid Neoplasms / Q000097:blood / Q000175:diagnosis
chemical_list: D002116:Calcitonin