Help with POP query for smartlist builder

Hi all, i'm trying to make a POP smartlist with the following information:

PO Number

PO line number

Item ID

Item description

Vendor ID

Qty ordered

Qty delivered

Required date

Promised date

Released date

Vendor name

Buyer ID

Actual cost

UofM

Invoiced qty (if any)

Comment ID

What I have so far is:

SELECT     TOP (100) PERCENT POP.PONUMBER, POP.ORD, POP.ITEMNMBR, QTYRCP.POPRCTNM, QTYRCP.QTYSHPPD, POP.ITEMDESC, POP.VENDORID, POP.LineNumber, POP.REQDATE,

                     POP.PRMSHPDTE, POP.PRMDATE, POP.QTYORDER, dbo.IV00101.CURRCOST, POP.UOFM, QTYRCP.QTYINVCD, dbo.POP10100.USER2ENT, dbo.PM00200.VENDNAME, POP.POLNESTA AS estado,

                     POP.Released_Date, dbo.POP10100.DOCDATE

FROM         dbo.POP10500 AS QTYRCP INNER JOIN

                     dbo.POP10100 ON QTYRCP.PONUMBER = dbo.POP10100.PONUMBER INNER JOIN

                     dbo.POP10110 AS POP INNER JOIN

                     dbo.PM00200 ON POP.VENDORID = dbo.PM00200.VENDORID LEFT OUTER JOIN

                     dbo.IV00101 ON POP.ITEMNMBR = dbo.IV00101.ITEMNMBR ON QTYRCP.POLNENUM = POP.ORD AND QTYRCP.ITEMNMBR = POP.ITEMNMBR AND ISNULL(QTYRCP.QTYSHPPD, 0)

                     < POP.QTYORDER

WHERE     (POP.POLNESTA IN (1, 2, 3, 4))

ORDER BY POP.PONUMBER, POP.ITEMNMBR

But I keep getting duplicated records, hope someone can help me with this.