Postgres analogue to CROSS APPLY in SQL Server

Question

I need to migrate SQL queries written for MS SQL Server 2005 to Postgres 9.1.
What is the best way to substitute for CROSS APPLY in this query?

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Answer 1

This link appears to show how to do it in Postgres 9.0+:

PostgreSQL: parameterizing a recursive CTE

It's further down the page in the section titled "Emulating CROSS APPLY with set-returning functions". Please be sure to note the list of limitations after the example.