Damanik, R. and K. Al-Numair, 2009. Breast milk and cognitive development: The role of essential fatty acids. J. Paediatrics Obstetrics Gynaecol., 35: 55-60.
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Damanik, R., 1993. Aspek Kesehatan Kambing dan Domba. In: Produksi Ternak Domba di Daerah Tropis, M. Wodzicka-Tomaszewska (Ed.). Sebelas Maret University Press, Solo Indonesia.

Damanik, R., 1993. Health Aspects of Goat and Sheep Production. In: Small Ruminant Production in the Humid Tropics. M. Wodzicka-Tomaszewska (Ed.). Sebelas Maret University Press, Solo Indonesia.

Damanik, R., 1995. Mammalian cryopreservation. J. Pediatr. Obstetr. Gynaecol., 5: 16-20.
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Damanik, R., 1995. The effect of immunization against inhibin on the medium and large follicles in dairy heifers. Media Veteriner, 4: 12-16.

Damanik, R., 1997. The menopause: Benefits and risks of estrogen-progesterone replacement therapy. J. Pediatr., Obstetr. Gynaecol., 3: 35-38.
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Damanik, R., 2007. Traditional usage of Coleus amboinicus lour among bataknese lactating women in Indonesia. Malays. J. Med. Sci., 14: 155-155.
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Damanik, R., 2009. Torbangun (Coleus amboinicus Lour): A bataknese traditioal cuisine perceived as lactagogue by bataknese lactating women in Simalungun, North Sumatera, Indonesia. J. Hum. Lactat., 25: 64-72.
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Damanik, R., M.L. Wahlqvist and N. Watanapenpaiboon, 2006. Lactagogue effects of torbangun, a bataknese traditional cuisine. Asia Pacific J. Clin. Nutr., 15: 267-274.
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Damanik, R., N. Damanik, Z. Daulay, S. Saragih, R. Premier, N. Wattanapenpaiboon and M.L. Wahlqvist, 2001. Consumption of bangun-bangun leaves (Coleus amboinicus Lour) to increase breast milk production among bataknese women in North Sumatera Island, Indonesia. Asia Pacific J. Clin. Nutr., 10: S67-S67.
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Damanik, R., N. Watanapenpaiboon and M.L. Wahlqvist, 2004. The use of a putative lactagogue plant on breast milk production in Simalungun, North Sumatra, Indonesia. Asia Pacific J. Clin. Nutr., 16: S87-S87.
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Fry R.C., T.L. Simpson, T.J. Squires, R.A. Parr and D. Rizal, 1994. Factors affecting transvaginal oocyte pick-up in heifers. Theriogenology, 41: 197-197.
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