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We introduce a method for estimating the size of the domain of definition of the solutions of a meromorphic vector field on a neighborhood of its pole divisor. The technique relies, in a certain sense, on obtaining a quantitative variant of some well-known results concerning the distance function between complex submanifolds in the presence of metrics with positive curvature. Several applications of these ideas are provided including a type of "confinement theorem" for the solutions of thedoi:10.4171/rmi/800 fatcat:w76vkdcrmrctfoq3l7xfen2tge