Frederick Banting upon the idea of obtaining insulin from the fetal pancreas. He removed the pancreases from fetal calves at a William Davies slaughterhouse and found the extracts to be just as potent as those extracted from the dog pancreases. By December 1921, he had also succeeded in extracting insulin from the adult pancreas. Pork and beef would remain the primary commercial sources of insulin until they were replaced by genetically-engineered bacteria in the late 20th century. In spring of 1922, Banting established a private practice in Toronto and began to treat diabetic patients. His first American patient was Elizabeth Hughes Gossett,
What I Do Best of Gulong ng Palad which won most popular song from this album and awqarded by S Magazine as Song of the Year. Sabihin Mo Sa Akin was the theme song of Anne Curtis' Kampanerang Kuba, and finally, Dahil Nagmamahal became the theme song of ABS-CBN's show for Filipino workers abroad entitled Nagmamahal, Kapamilya hosted by Bernadette Sembrano.And. her carrier single, What I do Best won as Best Song Performed by a Female Artist given by iFM Pinoy Music Awards. What I Do Best What I Do Best is Sheryn Regis' second studio album under Star Records, released on July 2005