Talmud Sotah 14a: Just as G-d visited the sick so you must visit the sick.

Talmud Nedarim 39b: Visiting the sick has no limits-even the great must visit the humble, even one hundred times a day.

Talmud Shabbat 127a: The rabbis taught that visiting the sick is one of the mitzvot for which a person enjoys the fruit, but the real reward is held for the individual in what the rabbis described as the world-to-come.

Avot d'Rabbi Natan 30: Comforting mourners and visiting the sick and acts of kindness bring good to the world.

Numbers 12:13: And Moses cried to G-d saying, 'Please, G-d, heal her now.'

Rabbi Isaac Luria, "Yom Zeh L'Yisrael,", Shabbat song: For suffering people, an additional soul.  For a troubled soul, it removes moaning - Sabbath of contentment.

Proverbs 3:8: It shall be health to thy navel, and marrow to thy bones.

Refaenu Prayer: Bring complete recovery from all our ailments, for Your are G-d.

Proverbs 17:22: A merry heart is a good medicine...

Grace After Meals: ...and in Thy good will, suffer no trouble, sorrow or affliction...

Yehi Ratzon: May it be Your will, my G-d of my forefathers, that You quickly send a complete recovery from heaven.

Acheinu Kol Beit Yisrael: ...may G-d take pity on them and deliver them from their trouble to well-being...

Morning Blessings: Blessed are You, Hashem, our G-d...Who straightens the bent.