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The following prayer is from the Missionary Oblates of Mary Immaculate:
Blessed, most pure Virgin, you chose to manifest yourself shining with life, sweetness and beauty, in the Grotto fo Lourdes.Ora pro nobis.
Obtain for me, O loving Mother, this special request (mention request).
Our Lady of Lourdes, Mother of Christ, pray for me. Obtain from your Divine Son my special request if it be God's will.