Clue: Lab substance
Lab substance is a crossword puzzle clue that we have spotted 7 times. There are related clues (shown below).
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Recent usage in crossword puzzles:
- USA Today Archive - Dec. 29, 1999
- New York Times - July 29, 1991
- New York Times - Jan. 19, 1985
- New York Times - Jan. 31, 1981
- New York Times - March 1, 1979
- New York Times - April 15, 1978
- New York Times - Oct. 26, 1975
