Hello in China,
Both these medicines need a prescription and they need medical supervision. If you're going to buy them online, I believe you will need to get a doctor to give you a prescription. And then they should be administered by the doctor him or herself as these are not only good drugs that can save or prolong life, they can kill a patient if improperly administered. In short, do not administer these medications yourself -- and that's if you can get them delivered. Also, many pharmacies claim to operate from Canada when in fact, they operate in India. I'm not sure why that is so, but that is the case. Indian companies and online pharmacies seem to route their orders through Canada making it look like a Canadian pharmacy.
Here's URL to one such pharmacy: http://www.drugdelivery.ca/s33892-s-AVASTIN.aspx
Good luck in your efforts to cure your love one!
Paula Jean