Editorial*EXCLUSIVE* Kelly Osbourne is 'heartbroken and doesn't 'know how to go on' after the death of Pomeranian Polly: 'I have never felt pain like this' **FILE PHOTOS**
EditorialRespiratory system. Schematic drawing. Termination of a bronchiole in three pulmonary alveoli. 1. Bronchiole 2. Alveoli 3.Pulmonary blebs. Drawing. Color.
Editorialpulmonary vtter, Illustration of a lungwort from the 16th century, Fig. 85, p. 131r, 1561, Valerius Cordus, Konrad Gessner, Benedictus Aretius, Pedanius Dioscorides: In hoc volumine continentur Valerii Cordi Simesusii annotationes in Pedacii Dioscoridi...
EditorialRespiratory system. Schematic drawing. Termination of a bronchiole in three pulmonary alveoli. 1. Bronchiole 2. Alveoli 3.Pulmonary blebs. Drawing. Color.