## Not run:
# a = msearch('bob', , 20)
# b = msearch('bob', 4, 20)
# d = msearch('authors:Alistair Boettiger published_in:Science')
# # Get the DOIs of Journal of Ecology hits (returns first 999 exact matches)
# all <- msearch('published_in:\'Journal of Ecology\'')
# dois <- sapply(all, function(x) x$doi)
# ## End(Not run)
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