The toxicology report for the 'I Wanna Dance With Somebody' chanteuse details that "cocaine and metabolites were identified and were contributory to the death. Marijuana, Alprazolam (Xanax), Cyclobenzaprine (Flexeril) and Diphenhydramine (Benadryl) were identified but did not contribute to the death."

Houston's autopsy was conducted Feb. 12, the day after she passed away. Capt. John Kades of the Los Angeles County coroner's office revealed that at the time of her death, no indications of foul play and no obvious signs of trauma on Houston's body were present.

Watch 'Whitney Houston's Family Demands Murder Investigation'

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Whitney Houston's Family Demands Murder Investigation:

See Whitney Houston Funeral Photos

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