An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Anh DD, Carlos CC, Thiem DV, Hutagalung Y, Gatchalian S, Bock HL, Smolenov I, Suryakiran PV, Han HH.Anh DD, et al. Among authors: gatchalian s.Vaccine. 2011 Mar 3;29(11):2029-36. doi: 10.1016/j.vaccine.2011.01.018. Epub 2011 Jan 21.Vaccine. 2011.PMID: 21256876Clinical Trial.
Hadinegoro SR, Hindra IS, Han HH, Gatchalian S, Bock HL.Hadinegoro SR, et al. Among authors: gatchalian s.Southeast Asian J Trop Med Public Health. 2009 Sep;40(5):991-9.Southeast Asian J Trop Med Public Health. 2009.PMID: 19842382
Gatchalian S, Reyes M, Bernal N, Lefevre I, David MP, Han HH, Bock HL, Wolter J, Schuerman L.Gatchalian S, et al.Hum Vaccin. 2005 Sep-Oct;1(5):198-203. doi: 10.4161/hv.1.5.2163. Epub 2005 Sep 7.Hum Vaccin. 2005.PMID: 17012860Clinical Trial.
Ruff TA, Bravo L, Gatchalian SR, Bock HL.Ruff TA, et al.Southeast Asian J Trop Med Public Health. 2009 Sep;40(5):972-90.Southeast Asian J Trop Med Public Health. 2009.PMID: 19842381Review.
Bravo L, Carlos J, Gatchalian S, Borja-Tabora C, Bibera G, Willems P, Safary A, Bock HL.Bravo L, et al. Among authors: gatchalian s.Southeast Asian J Trop Med Public Health. 1998 Dec;29(4):772-8.Southeast Asian J Trop Med Public Health. 1998.PMID: 10772563Clinical Trial.
Gatchalian S, Cordero-Yap L, Lu-Fong M, Soriano R, Ludan A, Chitour K, Bock HL.Gatchalian S, et al.Southeast Asian J Trop Med Public Health. 1999 Sep;30(3):511-7.Southeast Asian J Trop Med Public Health. 1999.PMID: 10774661Clinical Trial.