Stable bubbles signal better breathing in neonate.
D000818:Animals; D000831:Animals, Newborn; D005325:Fetal Organ Maturity; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D011650:Pulmonary Alveoli / Q000196:embryology / Q000502:physiology* / Q000503:physiopathology; D011663:Pulmonary Surfactants / Q000502:physiology*; D011817:Rabbits; D012119:Respiration; D012127:Respiratory Distress Syndrome, Newborn / Q000503:physiopathology*; D012756:Sheep
D011663:Pulmonary Surfactants