What is the next item in the following sequence and why? HHLBBCNHHLBBCN Elementary, My Dear Watson!
Screening test
Arsenic, Thallium, Mercury, Bismuth, & Antimony
Blood & Urine
Thin Layer Chromatography
Cirrhosis of the liver, heart disease, brain cells die, ulcers, stomach lining damage
Carbon Monoxide
Hair
Analgesic
Depressant
Field Sobriety Test
Stimulant
Reddening of the eyes, dry mouth, increase appetite, slowing down of reaction time, increased heart rate
Gas Chromatography
Urine or Vitreous Humor
Color Test
0.02
Marijuana
Poppy plant