TY - JOUR AN - 014601953 AU - Holmes,D.C. AU - Simmons,J.H. AU - Tatton,J.O. PY - 1969 TI - Pesticide residues in foodstuffs in Great Britain. 12. Organochlorine insecticide residues in hens' eggs from battery, deep-litter and free-range systems and from houses containing insecticide thermal vaporisers JO - J. Sci. Food Agric VL - 20 SP - 495 EP - 498 UR - https://eurekamag.com/research/014/601/014601953.php ER -