Review

Azam F, Ibn-Rajab IA, Alruiad AA: Adenosine A_2A receptor antagonists as novel anti-Parkinsonian agents: a review of structure-activity relationships
doi: 10.1691/ph.2009.9632

Original articles

Quintero A, Caldera A, Milano B, Odreman I, Hurtado A, Manzanares L, Villamizar J: Validation of an HPLC method for sildenafil citrate analysis in human plasma samples
doi: 10.1691/ph.2009.9180

Radha Krishna S, Suresh Babu P, Rao BM, Someswara Rao N: Development and validation of a high performance liquid chromatographic method for the separation of exo and endo isomers of granatamine (9-methyl-9-azabicyclo[3.3.1]nonan-3-amine); a key intermediate of granisetron
doi: 10.1691/ph.2009.9142

Chrzanowska M, Sobiak J, Kuehn M, Dorawa E, Hermann T: Partition coefficients of some purine derivatives and its application to pharmacokinetics
doi: 10.1691/ph.2009.9181

Özbas-Turan S, Akbuga J, Enneli B: Evaluation of antisense oligonucleotide loaded chitosan nanoparticles; characterization and antisense effect
doi: 10.1691/ph.2009.9193

Shafiq S, Shakeel F: Effect of labrasol on self-nanoemulsification efficiency of ramipril nanoemulsion
doi: 10.1691/ph.2009.9186

Tadini KA, Maia Campos PMBG: In vivo skin effects of a dimethylaminoethanol (DMAE) based formulation
doi: 10.1691/ph.2009.9636

Yue Zhu, Hai Jiang, Chong Zhang, Qiao-Jun He, Bo Yang, Lan-Juan Li, Hong Zhu: MONCPT exerts anti-cancer activities via inducing G2/M arrest and apoptosis in human bladder cancer
doi: 10.1691/ph.2009.9637

Yun-Mi Jeong, Ju Eun Lee, Su Yeon Kim, Hye-Young Yun, Kwang Jin Baek, Nyoun Soo Kwon, Dong-Seok Kim: Enhanced effects of citrate on UVB-induced apoptosis of B16 melanoma cells
doi: 10.1691/ph.2009.9622

Li Yan, Bai Kang, Guangzhou Li, Zhaozhen Yin, Yanyan Wang: Effects of metformin on serum levels of sex hormone, leptin and insulin in ovariectomized Sprague-Dawley rats
doi: 10.1691/ph.2009.9646

Santos SR, Rangel ET, Lima JCS, Silva RM, Lopes L, Noldin VF, Cechinel Filho V, Delle Monache F, Martins DTO: Toxicological and phytochemical studies of Aspidosperma subincanum Mart. stem bark (Guatambu)
doi: 10.1691/ph.2009.9639

Petroianu GA: History of methyl phosphoric esters: Hall, Weger, and Lossen
doi:10.1691/ph.2009.9113

Short Communication

Šklubalová Z, Zatloukal Z: The relationship between drained angle and flow rate of size fractions of powder excipients
doi: 10.1691/ph.2009.9170