Thirty-six month follow-up of 25 patients treated with combination anorganic bovine-derived hydroxyapatite matrix (ABM)/cell-binding peptide (P-15) bone replacement grafts in human infrabony defects
For example, when a fieldworker has measured the weight and length of a child, a supervisor or scientist will undertake the same measurement and compare their findings with that of the fieldworker

redrag Sikiri, Sven Seiwerth, eljko Grabarevi, Rudolf Ruman, Marijan Petek, Vjekoslav Jagi, Branko Turkovi, Ivo Rotkvi, Stjepan Mie, Ivan Zorii, Pako Konjevoda, Darko Perovi, Ljubica Jurina, Jadranka eparovi, Miro Hanevaki, Branka Artukovi, Mirna Bratuli, Marina Tiljar, Miro Gjurain, Pavao Mikli, Dinko Stani-Rokotov, Zoran Slobodnjak, Nikola Jelovac, Anton Marovi, The influence of a novel pentadecapeptide, BPC 157, on NG-nitro-l-arginine methylester and l-arginine effects on stomach mucosa integrity and blood pressure, European Journal of Pharmacology, Volume 332, Issue 1, 1997, Pages 23-33, ISSN 0014-2999, Seiwerth S, Rucman R, Turkovic B, Sever M, Klicek R, Radic B, Drmic D, Stupnisek M, Misic M, Vuletic LB, Pavlov KH, Barisic I, Kokot A, Japjec M, Blagaic AB, Tvrdeic A, Rokotov DS, Vrcic H, Staresinic M, Sebecic B, Sikiric P
However, more research is still needed to confirm the efficacy and optimal dosing of B12 injections for dermatological purposes