Meanings of double tetracycline in anglès

Twenty patients with CF had bone biopsies taken after double tetracycline labeling.

Twenty women with COPD who had not received chronic oral glucocorticoids underwent bone biopsies after double tetracycline labeling.

Bone biopsies and evaluation of mineralized bone sections after double tetracycline-labeling are currently considered the gold standard for diagnosis and classification of renal osteodystrophy.