
Study Design in Clinical and Epidemiologic Research: Observational, Experimental, and Beyond
<a href="https://news.google.com/rss/articles/CBMiakFVX3lxTE9wZ3F2ZDYtQTRWWnN0SGMwaDNDNjlabU5ZNkVycG9aZnd4TEl5dHVaT19ldkQtVWt5MXRYVnpQUVBabTVQUHB1OENSQnZfWF9NZzYwR25BUGR0SmYzem9wOW0yc2xIeEpTakE?oc=5" target="_blank">Study Design in Clinical and Epidemiologic Research: Observational, Experimental, and Beyond</a>&nbsp;&nbsp;<font color="#6f6f6f">Wiley Online Library</font>

