How long can I store blood samples at -20ºC and still reliably test for organochlorine pesticide levels?

Singh, A., Nag, S. K., & Singh, S. (2014) tests goat blood for organochlorine pesticides. In their methods it is stated that 10 mL samples were stored in heparinised residue-free 20 ml glass vials...

14 January 2020 3,817 3 View