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Oxygen appeared in the Earth's atmosphere 3 million years ago


, : Oxygen appeared in the Earth's atmosphere 3 million years ago. European Journal of Anaesthesiology 14(2): 228-228


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Other references

Cameron, H.U.; Hu, C.; Vyamont, D., 1996: Posterior stabilized knee prosthesis for total knee replacement in patients with prior patellectomy. To determine the outcome of total knee replacement using a posterior cruciate-substituting knee prosthesis in patients who have undergone previous patellectomy. A cohort study, with a follow-up ranging from 2 to 9 years. A university-affiliated in...

Vasseur J., 1975: Evolution of ribo nucleotides during the growth of fragments of endive leaves cultivated in vitro. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences Serie D Sciences Naturelles 280(1): 33-36

Laubeer, Lucien, 1967: Adaptations in interstitial Annelida Polychaeta. It has been only 30 yrs. since interstitial Annelida Poly-chaeta were 1st discovered. Knowledge of them has increased very rapidly, but so far no study has been made of their adaptations. This is a review of what is known in regard to adaptations...

Cook A.A.; Guevara Y.C., 1984: Hyper sensitivity in capsicum chacoense to race 1 of the bacterial spot pathogen of pepper. Plants of C. chacoense PI [plant introduction] 260435 were found to respond in a hypersensitive manner to pathotype 1 of the pepper strain of Xanthomonas campestris pv. vesicatoria. Infiltration inoculation with 108 bacterial cells/ml followed by...

Gardner, V.R.; Christ, E.G., 1953: Studies on cracking in the Stayman apple. Stayman and its strains give rise to many variants. It is suggested that the low amount of cracking on apples of some branches of a tree compared with the large amount on other branches may be due to bud mutations.

Manning, W.J.; Cox, E.A., 1973: Relative susceptibility of tomato cultivars to Cladosporium leaf mold under field conditions in Massachusetts. Of 22 commercially-grown tomato cvs evaluated for resistance to C. fulvum only Waltham Early Trellis was resistant and became slightly diseased. All the other cvs were moderately or severely affected.

Airaksinen, K.E.Juhani.; Schlitt, A.; Rubboli, A.; Karjalainen, P.; Lip, G.Y.H., 2011: How to manage antithrombotic treatment during percutaneous coronary interventions in patients receiving long-term oral anticoagulation: to "bridge" or not to "bridge"?. The management of patients on long-term oral anticoagulation and referred for percutaneous coronary interventions represents a substantial challenge to the physician who must balance the risks of periprocedural haemorrhage, thrombotic complication...

Rinderer, TE.; Hagstad, WA., 1984: The effect of empty comb on the proportion of foraging honeybees collecting nectar. In experiments carried out in June-July in Louisiana, USA, the effect of adding empty combs to 4 colonies on the proportions of foraging honeybees returning to hives with nectar, pollen, pollen and nectar, or water, and of unsuccessful foragers, w...

Iwai, A.; Ide, M.; Hayashi, S.; Hirose, A.; Ohno, T.; Nagahara, K.; Tsunoka, S.; Itoh, M.; Takeuchi, T., 1986: Barrett's ulcer report of two cases. We have presented two cases of Barrett's ulcer. Case 1 was a 69 years old man who was admitted because of palpitation. Radiological and endoscopical findings showed a huge ulcer in the lower esophagus. Case 2 was a 70 years old man who was ad...

Campos, J.C.C.; Trevisol Junior, T.L.; Torquato, M.C.; Paula Neto, F. de; Vale, A.B. do, 1986: Application of a compatible variable density growth and yield model for Eucalyptus grandis plantations. Using data from plantations in Minas Gerais at 30-77 months old.