3 ms·

I didn't say obligation. After reading here: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4091895/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4091895/ My quest

by hjura 11y ago

I didn't say obligation. After reading here: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4091895/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4091895/ My question was an oversimplification.