title: Chronic hypoxia: evidence for parasympathetic stimulation and cGMP/cAMP-mediated DNA synthesis.
mesh_terms: D000818:Animals; D000242:Cyclic AMP / Q000378:metabolism*; D006152:Cyclic GMP / Q000378:metabolism*; D004247:DNA / Q000096:biosynthesis*; D005260:Female; D000860:Hypoxia / Q000378:metabolism*; D008168:Lung / Q000378:metabolism*; D051381:Rats; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D014316:Tritium; D004247:DNA; D000242:Cyclic AMP; D006152:Cyclic GMP; D013936:Thymidine