as a surviving spouse, I hated the word, but some of you need to have information, medical, so you can understand what you're up against, since any of your cancer support team isn't going to lay it out for you.... My experience--- yours may differ.
I prefer PubMed over any of the other sources. I found stuff on natural ways to increase blood platelets, which he had an alarming low count of, throughout his 18 months he lived with this ailment. Use them all... you never know.