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They found that these hemiacetal derivatives (1a-d) constituted a significant proportion of potentially undetected formaldehyde

After staining, the crystal violet was aspirated, and the wells were washed twice with 200 L of sterile water to remove excess dye

In its final form, the bill imposed a ban on all cigarette advertising on radio and television, mandated that tobacco companies include a warning on their packaging stating that The Surgeon General has determined that cigarette smoking is dangerous to your health, and prohibited states or local governments from making laws concerning cigarette advertising