SAN JOSE, Calif. - (AP) - A copy of Steve Jobs' death certificatemade public Monday indicates that the Apple Inc. co-founder died ofrespiratory arrest resulting from pancreatic cancer that had spreadto other organs. Jobs died last Wednesday at age 56. Apple did not disclose hiscause of death, but Jobs had been in poor health for a number ofyears. He battled pancreatic cancer in 2004 and underwent a livertransplant in 2009 after taking a leave of absence for unspecifiedhealth problems. He took another leave of absence in January - histhird since his health problems began - and resigned in August,handing the CEO job over to his hand-picked successor, Tim Cook. The death certificate, released by the Santa Clara County PublicHealth Department and obtained by The Associated Press, said Jobshad a metastatic pancreas neuroendocrine tumor for the past fiveyears. It listed his immediate cause of death as respiratoryarrest. He died at his home in Palo Alto. No autopsy was performed, andhe was buried on Friday. Details of the certificate were reportedearlier by Bloomberg News. The certificate listed Jobs' occupation as a high-techentrepreneur. Jobs started Apple Inc. in his parents' SiliconValley garage with friend Steve Wozniak in 1976. Both men leftApple in 1985 - Jobs following a clash with then-CEO John Sculley. Jobs returned in 1997 as interim CEO after Apple, then in direfinancial dire straits, bought Next, a computer company he started.That was the start of Apple's remarkable turnaround, whichcontinues today with the popularity of products such as the iPhone,iPod and iPad. Jobs died the day after Apple announced its latest iPhone, the4S, which will go on sale Friday. Some fans and investors wereinitially disappointed that Apple didn't come out with a smartphonethat is radically different from the existing iPhone 4. But Applesaid first-day pre-orders of the device on Friday topped 1 million- higher than the record set by the iPhone 4 when it was releasedlast year.