Effects of air ions on the neonatal growth of laboratory rats.
D000390:Air Ionization; D000818:Animals; D000831:Animals, Newborn / Q000254:growth & development*; D004622:Embryo, Mammalian / Q000033:anatomy & histology; D005260:Female; D011247:Pregnancy; D011297:Prenatal Exposure Delayed Effects; D051381:Rats; D011919:Rats, Inbred Strains