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Benefits of vitamin B12 injections for energy and health searchable https://static.wixstatic.com/media/65f68b_e36badc8edad494d8c2e97bb08215c42~mv2.png/v1/fill/w_980,h_1225,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/65f68b_e36badc8edad494d8c2e97bb08215c42~mv2.png The left ventricle was perfused intra-aortically with 250 ml of ice-cold, 0.1 M buffer phosphate [containing (mM): 137 NaCl, 2.7 KCl, 10 Na 2 HPO 4 , and 2 KH 2 PO 4 ] with heparin (10000 U/L), pH 7.4, at a flow rate of 18–25 ml/min, followed by 4% paraformaldehyde +12% picric acid solution until transparent liquid flowed from the right ventricle Variant:3 ml
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