Grihya Sutras, Part 1 (SBE29): Sâṅkhâyana-Grihya-Sûtra: V, 6
KHANDA 6.
1. When a disease has befallen him,
2. Let him offer boiled rice-grains with Gavedhukâ-grass with (the hymn), 'These (prayers) to Rudra, the strong one, with braided hair' (Rig-veda I, 114), verse by verse.