对啊,一般选Subscription~Open access要付钱啊~
这是关于版权的~下面是guide for authors里的解释:
Open access
• Articles are freely available to both subscribers and the wider public with permitted reuse
• An open access publication fee is payable by authors or their research funder
Subscription
• Articles are made available to subscribers as well as developing countries and patient groups through our access programs
• No open access publication fee