mater sci mater med schiiler d formation of magnetosomes in magnetotactic bacteria jmol microbiol biotechnol kirschvink jl, kobayashikirschvink caffeine in root beer soda a, diazricci jc and kirschvink sj magnetite in human tissues a mechanism for the biological effects of weak elf magnetic fields bioelectromagnetics suppl van hecke p, marchal g, decrop e and baert al experimental study of the pharmacokinetics and caffeine in root beer soda dose response of ferrite particles used as contrast agent in mri of the normal liver of cymbalta withdrawal due to pregnancy the rabbit invest radiol weissleder r et al superparamagnetic iron oxide pharmacokinetics and toxicity am j roentgenol lawaczeck r et al magnetic iron oxide particles coated with carboxydextran for parenteral administration seroquel chat line and liver contrasting preclinical profile of sh ua acta radiol warheit db nanoparticles health impacts?