Not free but worthy
cost 75$ for the complete package,you need to buy it from unbound medicine and sign up for ID and password, and when you download the free application From iTunes you need your ID to download the full worthy application, so nothing free except blindness and deafness...
ما في شي ببلاش غير العمي و الطراش
DrMHatt about
The Merck Manuals - Professional